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10 votes
10 votes
Ahmed wants to make a triangle. He has rods that measure 9 inches and 15 inches. The rods cannot be cut. Which is the length of a rod he could use to complete the triangle?

what is the answer?

User Konung
by
2.9k points

1 Answer

18 votes
18 votes
12 because c^2=a^2+b^2
C15^2=225
A9^2=81
225-81=144
B12^2=144
it’s a right triangle
User Odedia
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3.2k points