Geometry and Scale

Calculate the area of the parallelogram.

• The area of the parallelogram is 40 square cm.

• The area of the parallelogram is 30 square cm.

• The area of the parallelogram is 50 square cm.

• The area of the parallelogram is 13 square cm.

Determine the area of the trapezoid.

• 20 square cm

• 45 square cm

• 65 square cm

• 32.5 square cm

• 32 square cm

Find the missing side X

• The missing side of the similar shape is 80 cm

• The missing side of the similar shape is 4 cm

• The missing side of the similar shape is 1/4 cm

• The missing side of the similar shape is 5 cm

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

Enlargement or reduction?  Find the scale factor!

Hint: to find the scale factor write a ratio of your image to pre-image coordinate.

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

Choose the correct scale factor:

• 2.5

• 1.5

• 3.5

• 4

What is the area of the composite shape?

• 77 square meters

• 87 square meters

• 65 square meters

• 83 square meters

• 71 square meters

Find the circumference of the circle. Use π as 3.14.

• 18.84 cm

• 25.12 cm

• 37.68 cm

• 42.56 cm

If the area of a rectangle is 280 square meters and the base is 70 meters, what is the height?

• 4

• 19600

• 40

• 210

Calculate the area of the circle. Use π as 3.14.

• 20 square cm

• 62 square cm

• 314 square cm

• 78.5 square cm