i-Ready Lesson 2 Session 2 - Area of a Triangle

What is the formula to find the area of a triangle?

• (base * height) / 2

• length * width

• base + height

• (length * width) / 2

If the base of a triangle is 8 cm and the height is 5 cm, what is the area of the triangle?

• 10

• 15

• 25

• 20

If the base of a triangle is 12 cm and the height is 9 cm, what is the area of the triangle?

• 36 cm^2

• 54 cm^2

• 108 cm^2

• 72 cm^2

If the base of a triangle is 6 cm and the area is 30 square cm, what is the height of the triangle?

• 20 cm.

• 5 cm.

• 180 cm.

• 10 cm

If the base of a triangle is 15 cm and the height is 11 cm shorter than the base, what is the area of the triangle?

• 30 cm^2

• 20 cm^2

• 56 cm^2

• 10 cm^2

If the base of a triangle is 7 cm and the height is 3 cm, what is the area of the triangle?

• 5 cm^2

• 10.5 cm^2

• 14 cm^2

• 21 cm^2

If the base of a triangle is 10 cm and the height is 3 cm more than half the base, what is the area of the triangle?

• 40 cm^2

• 20 cm^2

• 64 cm^2

• 16 cm^2

Which formula can NOT be used to find the area of a triangle?

• 2 * base * height

• 1/2 (base * height)

• (base * height) / 2

• (1/2 * base) * height

If the base of a triangle is 11 cm and the height is 7 cm, what is the area of the triangle?

• 77 cm squared

• 38.5 cm squared

• 18.5 cm squared

• 63 cm squared

If the base of a triangle is 14 cm and the area is 14 cm^2, what is the height of the triangle?

• 14 cm.

• 1 cm.

• 4 cm.

• 2 square cm