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2 years ago

If the diagonal of a television screen Is 20 Inches and the width is 12 inches,

Mathematics

1 answer:

Rzqust [24]2 years ago

3 0

Answer:

c. 56 in.

Step-by-step explanation:

use pythagorean theorem ( $a^{2} +b^{2} = c^{2}$ ) where a, b, and c are the lengths of the side of a right triangle. c is the length of the longest side across from the right angle of the triangle (the diagonal). To find the length of the TV a= $\sqrt{20^{2} -12^{2}$ . Now that you have the length you simply must add the length of each side of the TV. Perimeter = sum of the lengths of every side. TV has 4 sides length is 16 and width is 12. So, 16 + 16 + 12 + 12 = 56 in

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