the sides being given, calculate the third side marked by a letter in each right-angled triangle.
Tell with full formula
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Answer:
d = 20
Step-by-step explanation:
This is the formula of hypotenuse. The formula of hypotenuse is the sum of the hypotenuse is equal to sum of the square of the other two sides
so 29 × 29 = 21×21 + d ×d
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