Which is the measure of AB A. 10ft B. 15ft C. 20ft D. 100ft

Mathematics

1 answer:

Sladkaya [172]3 years ago

5 0

Answer:

Step-by-step explanation:

Since ΔABC is right use the sine ratio to find AB

sin30° = $\frac{opposite}{hypotenuse}$ = $\frac{AC}{AB}$ , hence

sin30° = $\frac{10}{AB}$ ( cross- multiply )

AB × sin30° = 10 ( divide both sides by sin30° )

AB = $\frac{10}{sin30}$ = 20 ft → C

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Write an expression involving exponents to represent the shaded area in square inches of the diagram than use that expression to

Mazyrski [523]

The expression involving exponents to represent the shaded area in square inches of the diagram is: 6²- (3² + 2²). The shaded area in squares inches of the diagram is: 23 square inches.

<h3>Expression involving exponents and shaded area</h3>

The expression is:

6²- (3² + 2²)

The shaded area:

Shaded area=6²- (3² + 2²)

Shaded area=36-(9+4)

Shaded area=36-13

Shaded area=23 square inches

Therefore the expression involving exponents to represent the shaded area in square inches of the diagram is: 6²- (3² + 2²). The shaded area in squares inches of the diagram is: 23 square inches.

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