Question

Crystal cuts a piece of wood into the shape of a triangle. The height of the triangle is 5 inches, and the base of the triangle measures 8 inches. Crystal makes a scale drawing of the triangle. If the height of her scale drawing is 2 inches, what is the area of her scale drawing?

A. 1.6 square inches

B. 6.4 square inches

C. 3.2 square inches

D. 20 square inches

Answer 1

D 20 square inches

Answer 2

20 square units

Explanation:

Given

Height ( h ) = 5 inches

Base ( b ) = 8 inches

To find : Area of the triangle

This triangle is a right angled triangle.

Reason

The height is perpendicular ( ⊥ ) to the base.

Formula

Area of right angled triangle = bh/2

Area of this triangle

= (5 x 8)/2

= 40/2

= 20 square units