Grade 7 - Chapter 4 (4.1-4.5)

Triangle

100

What is the formula for area of a triangle?

area = base x height / 2

200

RANDOM: What is the radius of a circle with a diameter of 10cm?

5cm

300

What is the area of a triangle with a base of 2.1m and a height of 3.4m?

3.57m

400

What is the base of a triangle with an area of 24m, and a height of 6m?

8m

500

What is the height of a triangle with an area of 48m and a base of 16m?

6m

Circumference - Radius

100

Find circumference: When radius = 5

31.42

200

Find Circumference when Radius - 10

62.83

300

Find Circumference when Radius = 25

157.08

400

Find Circumference when Radius = 50

314.16

500

Find Circumference when Radius = 75

471.24

Area - Radius

100

Find Area when Radius = 4

50.27

200

Find Area when Radius = 14

615.75

300

Find Area when Radius = 21

1,385.44

400

Find Area when Radius = 35

3,848.45

500

Find Area when Radius = 50

7,853.98

Parallelogram

100

What is the formula for area of a parallelogram?

Area = base x height

200

How many sides does a parallelogram have? 

4

300

A parallelogram has a base of 4cm and a height of 8cm, what is the area of this parallelogram?

32cm

400

If a parallelogram has an area of 30cm, and a height of 5cm, what is its base?

6cm

500

If a parallelogram has an area of 24cm, and a base of 6cm, what is its height?

4cm

Area - Diameter

100

What is the area of a circle with a diamater of 6?

28.27

200

What is the area of a circle with a diameter of 10?

78.54

300

What is the area of a circle with a diameter of 20?

314.16

400

What is the area of a circle with a diameter of 22?

380.13

500

What is the area of a circle with a diameter of 100?

7,853.98