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Find the approximate value of a.
4.69 in.
5.09 in.
11.05 in.
12 in
30.71 in.

Find The Approximate Value Of A 469 In 509 In 1105 In 12 In 3071 In class=

Sagot :

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Answer:

4.69 inches

Step-by-step explanation:

sin = opposite/hypotenuse

sin 23 = a/12

To solve for a, multiply both side by 12, so a is by itself.

12 · sin23 = a/12 · 12

12 · sin23 = a

use your calculator to find the sin of 23, which is approximately 0.390731128

Multiply by 12

0.390731128 * 12 = 4.688

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