Question

Classify the triangle:

A triangle. One side has a single slash mark. One side has a double slash mark and the third has a triple slash mark. One angle measures one hundred thirty degrees.

acute isosceles

obtuse scalene

right scalene

obtuse isosceles

Answer 1

Since each side has different number of slash marks it implies no two sides of the triangle are of equal length. That rules out isosceles.

Since one of the angles is 135 degrees which is greater than 90 degrees the triangle is ?