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45 votes
45 votes
PLEASE HELP

4. Is this a right triangle? Side lengths of 4 in., 6 in., and 9 inches.
O Yes
Ο Νο

User Kevin Joymungol
by
3.2k points

1 Answer

9 votes
9 votes

Answer:

no

Explanation:

The sides of the given lengths will form a right triangle if they satisfy the Pythagorean theorem.

c² = a² + b²

9² = 4² +6²

81 = 16 +36 . . . . . not true

These side lengths do not form a right triangle. (They form an obtuse triangle.)

PLEASE HELP 4. Is this a right triangle? Side lengths of 4 in., 6 in., and 9 inches-example-1
User Guy Dubrovski
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3.0k points