SOLUTION: Help with Trigonometric ratios A square has a side length of 20 cm. If a diagonal is drawn, what is the length of the diagonal? Give the exact value, not an approximation.

Question 1139854: Help with Trigonometric ratios
A square has a side length of 20 cm. If a diagonal is drawn, what is the length of the diagonal? Give the exact value, not an approximation.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

A has a side length of .
If a diagonal is drawn, a is divided in two right triangles where a diagonal is hypotenuse and sides of the square are legs
use Pythagorean theorem to find the length of the diagonal

->the exact value

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