17-01-2019
Mathematics

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The triangle shown MUST be a right triangle x=

The triangle shown MUST be a right triangle x class=

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17-01-2019

Answer:

The answer is b) 20.

Step-by-step explanation:

Pythagorean theorem: a²+b²=c²

Substitution: 12²+16²=x²

Simplify: 400=x², x=20

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