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strojnjashka [21]
3 years ago
7

The Irregular figure can be broken into a triangle and a rectangle as shown with the dashed line.

Mathematics
1 answer:
telo118 [61]3 years ago
5 0

<u>Given</u>:

Given that the irregular figure is broken into a triangle and a rectangle.

We need to determine the length b, the area of the triangle , the area of the rectangle and the area of the irregular figure.

<u>Length of b:</u>

The length of b , the base of the triangle is given by

b=5-(2\frac{1}{3})

Simplifying, we get;

b=5-\frac{7}{3}

b=\frac{8}{3} \ ft

Thus, the length of the base of the triangle is \frac{8}{3} \ ft

<u>Area of the triangle:</u>

The area of the triangle can be determined using the formula,

A=\frac{1}{2}bh

Substituting b=\frac{8}{3} \ ft and h=3 \ ft, we get;

A=\frac{1}{2}(\frac{8}{3})(3)

A=4 \ ft^2

Thus, the area of the triangle is 4 square feet.

<u>Area of the rectangle:</u>

The area of the rectangle can be determined using the formula,

A=lw

where l = 5 ft, w=1 \frac{1}{3}=\frac{4}{3} \ ft, we get;

A=5 \times \frac{4}{3}

A=\frac{20}{3} \ ft^2

Thus, the area of the rectangle is \frac{20}{3} \ ft^2

<u>Area of the irregular figure:</u>

The area of the irregular figure can be determined by adding the area of the triangle and the area of the rectangle.

Thus, we have;

Area = Area of the triangle + Area of the rectangle

Substituting the values, we have;

Area = 4+\frac{20}{3}

Area = 10.667 \ ft^2

Thus, the area of the irregular figure is 10.667 square feet.

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