Online Geometry Education

Go Geometry Problems Collection from 301 to 400. Online College, High School

All Geometry Problems 301 - 400

Problem 301.
Tangents to a circle, Secants, Square

Problem 302.
Triangle, Angle bisector of 60 degrees.

Problem 303.
Triangle, Angle bisector of 90 degrees.

Problem 304.
Triangle, Angle bisector of 120 degrees.

Problem 305.
Square, Triangles, Angles, Sides.

Problem 306.
Square, Triangles, Angles, Sides.

Problem 307.
Regular Nonagon or Enneagon, Midpoints, Side, Arc, Angle.

Problem 308.
Regular Nonagon or Enneagon, Midpoints, Side, Arc, Angle.

Problem 309.
Regular Nonagon or Enneagon, Diagonals, Side.

Problem 310.
Circle Inscribed in a Semicircle, 45 Degrees Angle.

Problem 311.
Circle Inscribed in a Semicircle, Chord, Diameter.

Problem 312.
Cyclic quadrilateral, Side extensions, Tangents.

Problem 313.
Circle, Chord, Tangent, Perpendicular, Geometric Mean.

Problem 314.
Tangent circles, Common external tangent line, Geometric Mean.

Problem 315.
Three Tangent circles, Common external tangent line, Geometric Mean.

Problem 316. Circular segments and Inscribed Squares.

Problem 317. Right triangle and Inscribed Squares.

Problem 318.
A Scalene triangle, Altitudes, Collinear points.

Problem 319.
Triangle, Altitudes, Perpendiculars, Collinear points.

Problem 320.
Triangle, Circumcircle, Incenter, Excenter, Collinear points.

Problem 321.
Triangle, Incenter, Excircle, Midpoint of the Altitude, Collinearity.

Problem 322.
Square, Inscribed circle, Tangent, Triangle area.

Problem 323.
Triangle, Incenter, Circumcenter, Equal circles, Collinearity.

Problem 324.
Quadrilateral with perpendicular diagonals, Concurrence.

Problem 325.
Isosceles triangle, Altitude, Cevian, Incircle, Excircle

Problem 326.
Equilateral triangle, Semicircle, Equal arcs.

Problem 327.
Right triangle Area, Incircle, Circumcircle, Square.

Problem 328. Triangle, Incircle, Tangency Points, Parallel, Midpoint.

Problem 329.
Triangle, Altitudes, Circle, Diameter, Concyclic points.

Problem 330.
Cyclic quadrilateral, Perpendicular diagonals, Area, Circumcenter. 

Problem 331.
Square, Point on the Inscribed Circle, Tangency Points.

Problem 332.
Cyclic quadrilateral, Ratio of diagonals, Similarity.

 

Problem 333.
Circle inscribed in a semicircle, Perpendicular to the common tangent.

Problem 334.
Cyclic Quadrilateral, Perpendiculars to Diagonals.

Problem 335.
Cyclic Quadrilateral, Perpendiculars to Sides.

Problem 336.
Two equal circles, a Common Tangent and a Square. 

Problem 337.
Isosceles Trapezoid, Angle bisector, Parallel, Concyclic points.

Problem 338.
Triangle, Circumcircle, Inscribed Circle, Exterior angle bisector, Concyclic points.

Problem 339.
Triangle, Angle Bisectors, Perpendiculars, Distances. Interior Point.

Problem 340.
Triangle, Angle Bisectors, Perpendiculars, Distances. Exterior Point.
Problem 341.
Triangle, Inscribed circle, Tangent, Semiperimeter.

Problem 342.
Pentagon, Inscribed circle, Tangent, Semiperimeter.

Problem 343.
Hexagon, Inscribed circle, Tangent, Semiperimeter.

Problem 344.
Quadrilateral, Extension of sides, Circle, Tangent, Semiperimeter.

Problem 345.
Equal circles, Tangents, Concurrent lines, Hexagon, Semiperimeter.

Problem 346.
Equal circles, Tangents, Hexagon, Semiperimeter.

Problem 347.
Triangle, Altitude, Perpendicular, Circle, Concyclic points.

Problem 348. Circles, Common External Tangents, Common Internal Tangent.

Problem 349. Triangle, Cevian, Incircles, Tangents, Tangency Point.

Problem 350.
Triangle, Cevian, Incircles, Tangents, Tangency Point, Angles.

Problem 351.
Rhombus, Incircles, Common tangent, Circumscribable or Tangential quadrilateral. 

Problem 352.
Tangential quadrilateral, Incircles, Common tangent, Circumscribable or Tangential quadrilateral.

Problem 353. Tangential quadrilateral, Diagonals, Incircles, Inradii.

Problem 354.
Rhombus, Square, 45 degrees.

Problem 355.
Circles, Common external tangent, Concyclic points.

Problem 356.
Square, Point inside, Triangles, Area.

Problem 357.
Square, Exterior point, Triangles, Area.

Problem 358. Isosceles triangle 80-80-20, Circle, Angles, Congruence.

Problem 359. Cyclic quadrilateral, Angle bisector, Rhombus.

Problem 360. Area of a triangle, Curvilinear triangles, Circles, Diameters.

Problem 361. Right triangle, Incircle, Incenter, Tangency points, Angle.

Problem 362. Circle, Chord, Perpendicular, Equal chords.

Problem 363.
Right triangle, Congruence, Angles.

Problem 364.
Obtuse triangle, Congruence, Circles, Diameter, Curvilinear triangle, Area.

Problem 365.
Circular Sector of 60 degrees, Midpoints, Perpendicular, Congruence.
 

Problem 366.
Scalene triangle, Circumcircle, Angles, 60 Degrees, Equilateral triangle.

Problem 367.
Square, Angle, 45 degrees, Pythagoras, Congruence, Similarity.

Problem 368.
Triangle, 120 degrees, Angle bisectors, Perpendicular.

Problem 369.
Intersecting circles, Chord, Center, Angle, Congruence.

Problem 370. Triangle with squares, Circumcircles, Tangent circles.

Problem 371.
Square, Inscribed circle, Triangle, Area

Problem 372.
Circles, Common Internal and External Tangent, Angles.

Problem 373.
Square, Inscribed Circle, Diagonal, Perpendicular, Angle.

Problem 374. Triangle, Incenter, Internal Angle Bisectors.

Problem 375. Triangle, Excenter, External Angle Bisectors.

Problem 376. Triangle, Excenter, Internal and External Angle Bisectors.

Problem 377.
Triangle, Internal Angle Bisector, Altitude. 

Problem 378. Triangle, Incenter, Parallel to a side, Angle, Congruence.

Problem 379. Triangle, Excenter, Parallel to a side, Angle, Congruence.

Problem 380.
Triangle, Excenter, Parallel to a side, Angle, Congruence. 

Problem 381.
Quadrilateral, Diagonals, Angle Bisectors, Angles.

Problem 382. Concave Quadrilateral, Angle Bisectors, Angles.

Problem 383.
Concave Quadrilateral, Angle Bisectors, Semi-difference of Angles.

Problem 384.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter.

Problem 385.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter.

Problem 386.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter, Congruence.

Problem 387. Triangle, Angle bisector, Perpendicular, Concyclic points.

Problem 388. Triangle, Angle bisector, Perpendicular, Parallel.

Problem 389.
Triangle, Parallel lines, Harmonic Mean.

Problem 390.
Triangle, Parallel lines, Collinear points.

Problem 391.
Triangle, Parallel lines, Collinear points.

Problem 392.
Triangle, Parallel lines, Concurrent lines.

Problem 393.Triangle, Orthocenter, Circumcircles, Congruence, Collinear.

Problem 394. Square, 90 Degree Arc, Diagonal, Congruence.

Problem 395.
Square, 15 Degree, Equilateral triangle.

Problem 396. Square, Angle Trisectors, Congruence, Area.

Problem 397.
Triangle, Altitude, Midpoints, Congruence.

Problem 398. Parallelogram, Area, Similarity, Congruence.

Problem 399.
Right triangle, Midpoints, Distance, Pythagorean theorem, Congruence.

Problem 400.
Triangle, Angle bisector, Circumcircle, Perpendicular, Congruence.
 

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