20 Is 80 percent of what number? A 21 В 22 С 24 D 25
2 answers:
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Answer:
<h2>This triangle is a right triangle:</h2><h2>36² + 15² = 39².</h2>Step-by-step explanation:
If a ≤ b <c is the length of the sides of a right triangle, then:
We have
Check the equality:
It's a right triangle.