![](../landscape/landscape_px1.gif) |
|
![Geometry Problems, Online Education](../problem/h_geometry_problem_910.jpg)
Geometry Problems 981-990: Triangle, Circle, Hexagon, Area, Congruence, Tangent, Midpoint, Parallel.
Level: High School, College
|
![Geometry problems 981-990](geometry_problems_981_990_1.jpg) |
|
![Geometry Problem 981](../school-college/p981-triangle-cevian-concurrent-midpoint-hexagon-area-1.jpg) |
Geometry Problem 981.
Triangle, Concurrent Cevians, Midpoints, Area, Hexagon. |
![Geometry Problem 982](../school-college/p982-triangle-excenter-circumcenter-hexagon-area-1.jpg) |
Geometry Problem 982.
Triangle, Excenters, Excentral Triangle, Circumcenter, Area, Hexagon. |
![Geometry Problem 983](../school-college/p983-regular-hexagon-point-triangle-area-1.jpg) |
Geometry Problem 983.
Regular Hexagon, A point and six triangles, Areas. |
![Geometry Problem 984](../school-college/p984-triangle-circumcircle-altitude-midpoint-collinear-1.jpg) |
Geometry Problem 984.
Triangle, Circumcircle, Altitudes, Midpoint, Collinear Points. |
![Geometry Problem 985](../school-college/p985-circle-radius-perpendicular-congruence-concentric-1.jpg) |
Geometry Problem 985.
Circle, Radius, Perpendicular, Concentric Circles, Congruence, Triangle. |
![Geometry Art Problem 985](../school-college/p985-circle-concentric-mobile-apps-circle-pattern-1.jpg) |
Geometric
Art of Problem 985. |
![Geometry Problem 986](../school-college/p986-triangle-median-45-degrees-angle-1.jpg) |
Geometry Problem 986.
Triangle, Median, Midpoint, Equal Angles, 45 Degrees. |
![Geometry Problem 987](../school-college/p987-triangle-circumcircle-incenter-parallel-circle-tangent-animation-ipad-1.jpg) |
Geometry Problem 987.
Triangle, Circumcircle, Incenter, Chord, Parallel, Circle, Tangent. GeoGebra, HTML5 Animation for Tablets (iPad, Nexus). |
![Geometry Problem 988](../school-college/p988-right-triangle-cevian-30-degrees-triple-angle-1.jpg) |
Geometry Problem 988.
Right Triangle, Cevians, Angles, 30 Degrees, Triple Angle. |
![Geometry Problem 989](../school-college/p989-semicircle-arbelo-perpendicular-tangent-rectangle-midpoint-arc-1.jpg) |
Geometry Problem 989.
Arbelos, Semicircles, Diameter, Perpendicular, 90 Degree, Common External Tangent, Rectangle, Midpoint of Arc. |
![Geometry Problem 990](../school-college/p990-triangle-incircle-median-circle-central-angle-congruence-1.jpg) |
Geometry Problem 990.
Triangle, Incircle, Median, Cevian, Central Angle, Congruence, Circle, Secant, Midpoint,
Parallel. |
![Geometry problems 991-1000](geometry_problems_991_1000_1.jpg)
![Geometry problems 971-980](geometry_problems_971_980_1.jpg) |
|
|
|
|
|
|
![](../landscape/landscape_bg_right.gif) |
![](../landscape/landscape_px1.gif) |