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Chapter 11: Q23. (page 432)

Use a calculator or the trigonometry table on page 311to find the area of each figure to the nearest tenth.

Short Answer

Expert verified

The area of given figure is approximately 73.5 square unit.

Step by step solution

01

Step 1.  Modify the given figure.

Draw the perpendicularAE=h

02

Step 2. Concept Used.

Trigonometric Ratios are defined as the values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle.

Use trigonometric Ratios

sin胃=OppositeHypotenusesin50鈭�=h8h=6.128

03

Step 3. Find the area of parallelogram.

Area of parallelogram can be found using the formula

A=bh=(12)(6.128)=73.54鈮�73.5

Therefore, the area of given figure is73.5 Square unit.

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