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Please help me please please please please please please please ​

Please help me please please please please please please please ​-example-1

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Answer:

The leg measures 14.14 cm

Explanation:

The "40 - 40 - 90" special right triangle is an isosceles right triangle because two angles measures the same. (Check the picture)

The legs are the same.

The hypotenuse is:

a × √2

From the question, the length of the hypotenuse is 20 cm.

20 = a × √2

20 ÷ √2 = a

a = 10√2 ≈ 14.14 cm

Please help me please please please please please please please ​-example-1
User Dhruv Singh
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