Math 220 Core Assessment Practice

Front

What is the value of x if x + 10 = 42?

Back

x = 32

Front

What transformation occurs when a shape is flipped over the y-axis?

Back

Reflection across the y-axis

Front

If two angles in a triangle are 67° and 60°, what is the missing angle?

Back

The missing angle is 53°.

Front

What is the term for rotating a shape 90° clockwise?

Back

Rotation

Front

How do you calculate the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

What is the circumference of a circle with a radius of 4.5 cm?

Back

Circumference = 28.26 cm.

Front

What is a reflection in geometry?

Back

A transformation that flips a figure over a line.

Front

What is the definition of translation in geometry?

Back

A transformation that slides a figure from one position to another without turning it.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 * base * height.

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

Area = 25 cm².