Answer:
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A triangle has sides with lengths of 9 km, 11 km, and 15 km. Is it a right angle?
A triangle has sides with lengths of 9 km, 11 km, and 15 km. Is it a right triangle?
a^2 +b^2 = c^2
9^2 + 11^2 =? 15^2
81 + 121 =202 < 225
The triangle is not right, it is obtuse because the sum of the squares of the two shorter sides is less than the square of the largest sides.
Explanation:
The right triangle calculator will help you find the lengths of the sides of a right-angled triangle. This triangle solver will also teach Pythagorean theorem calculator helps you find out the length of a missing leg or hypotenuse of a right triangle.