depenhaethan depenhaethan

25-05-2019
Mathematics

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Draw a right triangle with 5 cm and 7 cm perpendicular sides. Find its perimeter.

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ardeelhussain ardeelhussain

25-05-2019

Answer:

20.6 (3sf)

Step-by-step explanation:

a^2 + b^2 = c^2

5^2 + 7^2 = 74

c= root 74

5 + 7 + root 74 = 12 + root 74 = 20.6 (3sf)

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