Triangles: Theorems and Problems 16
|
![Triangles](../geometry/triangles_index_17.jpg) |
|
![Elearn 493: Right triangle, Circumcircle, Perpendicular](../problem/p493_triangle_circle_1.jpg) |
Problem 493.
Right Triangle, Circumcircle, Perpendicular, Chord. |
![Elearn 489: Parallelogram, Areas](../problem/p489_parallelogram_area_1.jpg) |
Problem 489.
Parallelogram, Triangle, Quadrilateral, Area. |
![Triangle, Cevian, Circle, Concurrency](../problem/p488_triangle_circle_1.jpg) |
Problem 488.
Triangle, Cevian, Concurrency, Circle, Circumcircle. |
![Triangle, Circumcircle, Incircle, Excircle](../problem/p482_triangle_circle_1.jpg) |
Problem 482.
Triangle, Circumcircle, Incenter, Excenter, Midpoint, Cyclic Points. |
![Triangle, Altitude, Perpendicular, Angle](../problem/p481_triangle_angle_1.jpg) |
Problem 481.
Triangle, Altitude, Cevian, Perpendicular, Angle. |
![Triangle, circle, angle, altitude](../problem/p480_circle_angle_1.jpg) |
Problem 480.
Triangle, Circle, Center, Altitude, Angle, Circumcenter. |
![Triangle COncurrency, Transversal, Proportion](../problem/p479_triangle_concurrency_1.jpg) |
Problem 479.
Triangle, Cevians, Concurrency, Transversal, Proportion. |
![Triangle, Sides, Circumradius](../problem/p478_triangle_circle_1.jpg) |
Problem 478.
Triangle, Sides, Circumradius, Circumcenter, Circumcircle. |
![Parallelogram, triangle, quadrilateral, area](../problem/p477_parallelogram_area_1.jpg) |
Problem 477.
Parallelogram, Triangle, Quadrilateral, Area. |
![Triangle, Circumcenter, Angle](../problem/p476_triangle_circumcircle_.jpg) |
Problem 476.
Triangle, Circumcenter, Circumcircle, Angles. |
![Triangle, Area, Similarity](../problem/p473_similarity_area_1.jpg) |
Problem 473.
Triangle, Parallel, Side, Parallelogram, Area, Similarity. |
![Triangle, Area, Similarity](../problem/p472_similarity_area_1.jpg) |
Problem 472.
Triangle, Parallel, Side, Parallelogram, Area, Similarity. |
![Triangle area, parallel, concurrency](../problem/p471_similarity_area_1.jpg) |
Problem 471.
Triangle, Parallel, Side, Concurrency, Area, Similarity. |
![Triangle area, Similarity](../problem/p470_similarity_area_1.jpg) |
Problem 470.
Triangle, Parallel, Side, Parallelogram, Area, Similarity. |
![Isosceles triangle, midpoint, transversal](../problem/p469_isosceles_triangle_1.jpg) |
Proposed
Problem 469.
Isosceles triangle, Midpoint, Transversal, Congruence. |
![Concentric Circles, Tangent, Area](../problem/p463_circle_triangle_area_1.jpg) |
Proposed
Problem 463.
Three Concentric Circles, Secant, Tangent, Triangle, Area. |
![Right triangle, Squares](../education/p459_right_triangle_square_.jpg) |
Proposed
Problem 459.
Right triangle, Squares, Distance, Measurement. |
![Triangle Brocard point](../education/p457_triangle_brocard_1.jpg) |
Proposed
Problem 457.
Triangle, First Brocard Point, Congruent angles, Circle, Circumradius. |
![Triangle, Incircle, Inradius](../education/p454_triangle_incircle_1.jpg) |
Proposed
Problem 454.
Triangle, Incircle, Inradius, Tangent, Circle, Radius. |
![Triangle, Circle, Tangent](../education/p452_triangle_circle_1.jpg) |
Proposed
Problem 452.
Triangle, Circle, Tangent, Proportional Segments. |
Go to Page: Previous |
1 |
2 |
3
| 4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
40 |
Next
|