Question

4
which shape has an obtuse angle?

shape a shape b shape c shape d

a. shape a
b. shape c
c. shape b
d. shape d

Explanation:

An obtuse angle is greater than 90° and less than 180°. Shape A is a triangle with all acute angles. Shape C is a right triangle (has a 90° angle). Shape D is a rectangle with all 90° angles. Shape B is a parallelogram with two obtuse and two acute angles. So Shape B has an obtuse angle.

Answer:

C. Shape B