Question

The sum of the lengths of is 24.62 cm. The length of is 3 cm and the length of is 17.8 cm. What is the length of and what kind of triangle is this?

A. 3.82 cm; scalene
B. 3.82 cm; isosceles
C. 3.92 cm; scalene
D. 3.92 cm; isosceles

Answer 1

B. 3.82 cm; isosceles

Explanation:

Other persons answer but simplified.

Answer 2

`the \: third \: length \: \\ 24.62 - 3 - 17.8 = 3.82 \\ \\ because \\ \: 17.8 > 3 + 3.82 \\ it \: is \: scalene`

Scalene Triangle

A scalene triangle has all side lengths of different measures. No side will be equal in length to any of the other sides in such a triangle. In a scalene triangle, all the interior angles are also different.

Isosceles Triangle

In an isosceles triangle, the lengths of two of the three sides are equal. So, the angles opposite the equal sides are equal to each other. In other words, an isosceles triangle has two equal sides and two equal angles.