Geometry Sem 1 Final

Front

What is the reflection of the point (-5,2) over the y-axis?

Back

(5,2)

Front

In triangle XYZ, if angle X measures 60 degrees and side XY is 10 cm long, what is the length of side PQ in triangle PQR, which is congruent to triangle XYZ?

Back

The length of PQ is 10 cm.

Front

In a right triangle, if one angle is 45°, what is the measure of the other non-right angle?

Back

45°

Front

What does the SAS Congruence Theorem state?

Back

Triangles with two sides and the included angle congruent are congruent.

Front

Which triangle congruence theorem can be used to prove two triangles are congruent if they have two sides and the included angle congruent?

Back

SAS

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape.

Front

If two angles of a triangle are known, how can the third angle be found?

Back

By using the fact that the sum of angles in a triangle is 180°.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a right triangle?

Back

A triangle that has one angle measuring 90°.