Find the area the figure is not drawn to scale

Asked by maham237 @ in Mathematics viewed by 324 People

A. 28.08 cm^2
B. 2.5 cm^2
C. 7.9 cm^2
D. 14.04 cm^2

2. Find the area. The figure is not drawn to scale.
A. 34 cm^2
B. 21 cm^2
C. 68 cm^2
D. 10.5 cm^2

3. Find the area. The figure is not drawn to scale.
A. 144.5 cm^2
B. 127 cm^2
C. 172 cm^2
D. 50 cm^2

Answered by maham237 @


Answer

Question 1. D. 14.04 cm²
Question 2. A. 34 cm²
Question 3. A. 144.5 cm²

Explanation

Question 1

The figure is a looks like a parallelogram of length 2.7 cm and a vertical height of 5.2 cm.

The formula for finding the area of a parallelogram is;

Area =length ×height

Area =2.7×5.2

Area =14.04 cm²

Question 2

The figure is a triangle of base length 17 cm and a vertical height of 4 cm.

Area of a triangle = 1/2×length×height

=1/2×17×4=34 cm²

Question 3

The figure is a combination of two figures, a rectangle and a triangle.

You should find the area of the 2 figures and then add them together.

Rectangle=length ×width

=13×9=117

Triangle =1/2×base×height

=1/2×11×(13-8)=1/2×11×5=27.5

Total area = 117 + 27.5 =144.5 cm²

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