Question

Steven draws △ABC, with m∠ABC = 110°, m∠BAC = 40°, and m∠BCA = 30°.

Which triangle represents Steven’s triangle?
(Picture/Image Below)

Answer 1

x

Explanation:

angle bac and bca need to be acute and similar in size and angle abc needs to be an obtuse angle. This is the only triangle where angle abc is obtuse.