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nika2105 [10]
2 years ago
13

Find the missing length of the triangle 20 cm 12 cm

Mathematics
1 answer:
larisa [96]2 years ago
3 0

The shape on the left is a square with side length of 12 cm

This means the height of the triangle is 12cm.

Knowing the height and the hypotenuse using the Pythagorean you can solve for the base.

20^2 = 12^2 + x^2

400 = 144 + x^2

Subtract 144 from both sides:

256 = x^2

Take the square root of both sides

X = sqrt(256)

X = 16

X = 16

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