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• ### Exterior Angle Theorem of Triangles — Practi

In geometry, you can use the exterior angle of a triangle to find a missing interior angle. The following practice quest...

In Geometry

• ### Orthocenter Coordinates in a Triangle — Prac

To find the orthocenter of a triangle, you need to find the point where the three altitudes of the triangle intersect. In the following practice quest...

In Geometry

• ### Interior and Exterior Angles in Polygons — P

In geometry, you can find the sum of the interior or exterior angles of a polygon based on the number of sides the polygon has. You can then apply thi...

In Geometry

• ### Inscribed Angles and Arcs — Practice Geometr

In geometry, when you have an inscribed angle on a circle, the measure of the inscribed angle and the length of the intercepted arc are related. An in...

In Geometry

• ### Indirect Geometric Proofs — Practice Questio

In an indirect geometric proof, you assume the opposite of what needs to be proven is true. Therefore, when the proof co...

In Geometry

• ### Centroids in Triangles — Practice Geometry Q

In geometry, the centroid of a triangle is the point where the medians intersect. The following practice questions ask y...

In Geometry

• ### The Diagonals of a Rhombus — Practice Geomet

A rhombus is a parallelogram with some interesting and useful properties. For example, all of its sides are congruent, and it contains diagonals that...

In Geometry

• ### The Diagonals of a Rectangle — Practice Geom

A rectangle is a parallelogram with four right angles, which allows you to apply the Pythagorean theorem when trying to find missing sides or angles....

In Geometry

• ### Corresponding Angles in Parallel Lines — Pra

When two parallel lines are intersected by a third line — a transversal — corresponding pairs of angles are formed. You can use the proper...

In Geometry

• ### Coordinate Geometry Proofs — Practice Questi

Coordinate geometry proofs require an understanding of the properties of shapes such as triangles, quadrilaterals, and other polygons. The following p...

In Geometry