Learning Check 5

Front

Which pairs of sides are congruent?

Back

AR and BE are congruent sides.

Front

What are the diagonals in the given figure?

Back

The diagonals are BR and EA.

Front

If BA = 2x and ER = 100 cm, find the value of x.

Back

x = 50 cm.

Front

If the measure of BK is 30 cm, find BR.

Back

BR = 60 cm.

Front

If BE = (5y + 25) cm and AR = 75 cm, find the value of y.

Back

y = 10.

Front

Define congruent sides in geometry.

Back

Congruent sides are sides that are equal in length.

Front

What is a diagonal in a polygon?

Back

A diagonal is a line segment that connects two non-adjacent vertices.

Front

How do you solve for x in an equation?

Back

Isolate x on one side of the equation using inverse operations.

Front

What is the formula for finding the length of a diagonal in a rectangle?

Back

Diagonal = √(length² + width²).

Front

What does it mean for two angles to be congruent?

Back

Two angles are congruent if they have the same measure.