Two triangles are of the same shape. The sum of both their internal angles is ___ degrees.
The sum of internal angles of any triangle irrespective of its shape and size is 180∘. Hence, the sum of two such triangles will be 360∘.
Choose the correct option:
If two angles are supplementary, then their sum is ___________
A. 90°
B. 180°
C. 270°
D. 360°