Home › UGC NET › mathematicalreasoning › Mathematical Reasoning — Geometry › Sum of interior angles of a triangle is:
Sum of interior angles of a triangle is:
A90°
B360°
C270°
D180°
Answer & Solution
Correct answer: D. 180°
1. Triangle angle sum is a Euclidean geometry constant.
2. It equals 180°.
3. Hence 180°.
_Source: UGC NET Paper 1 Study Book (ugc-net.com class notes) — Geometry_