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Paladinen [302]
3 years ago
14

A triangle has sides with lengths of 12 miles, 84 miles, and 85 miles. Is it a right triangle?

Mathematics
2 answers:
Kamila [148]3 years ago
8 0

Answer:

\boxed {\boxed {\sf No}}

Step-by-step explanation:

If a triangle is a right triangle, it can satisfy Pythagorean Theorem.

a^2+b^2=c^2

where a and b are the legs and c is the hypotenuse.

12 and 84 are the legs because are they shortest. 85 is the hypotenuse because it is the longest side.

a= 12 \\b=84 \\c=85

Substitute the values into the formula.

(12)^2+(84)^2=(85)^2

Solve the exponents.

  • 12²= 12*12=144
  • 84²=84*84=7056
  • 85²= 85*85=7225

144+7056=7225

Add on the right side.

7200\neq 7225

7220 is not equal to 7225, so these sides cannot be a right triangle.

Alisiya [41]3 years ago
7 0
Ggggggghhhhggffggtfgugggh
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