SOLUTION: I have a 42 inch tv display. The height is 21 inches. How do I find out the width? Rounding it to the nearest tenth.

SOLUTION: I have a 42 inch tv display. The height is 21 inches. How do I find out the width? Rounding it to the nearest tenth.

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Question 1010358: I have a 42 inch tv display. The height is 21 inches. How do I find out the width? Rounding it to the nearest tenth.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The "display", the height, and the width, form a right triangle.
Pythagorean Theorem.
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