Question

Being timed and need help

Item 4

A triangle has side lengths 4 cm, 4 cm, and 7.5 cm. The angle measures are 20°, 20°, and 140°.


What type of triangle is this triangle?



obtuse scalene


acute scalene


obtuse isosceles


acute isosceles

Answer 1

obtuse isosceles

Step-by-step explanation:

Scalene triangles have different side lengths and angles.

isosceles triangles have two of the same side lengths

obtuse is higher than 90°

and acute is lower than 90°