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A triangle has side lengths of 15, 20, and 25. What type of triangle is it?
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A triangle has side lengths of 15, 20, and 25. What type of triangle is it?

User Ramsay Smith
by
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2 Answers

3 votes
25^2 = 20^2 + 15^2
625 = 400 + 225
625 = 625

It's a right triangle.

User Tikall
by
6.7k points
4 votes
Its a RIGHT ANGLED TRIANGLE.

GIVEN:
hypo=25
opposite and adjacent=15 and 20.

FORMULA:
hypotenuse^2 =opposite side^2 + adjacent side^2
25^2=15^2+20^2
625=225+400
400+225=625

so its a right angled triangle....................

understand??
User Simon Kjellberg
by
6.5k points
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