Question

3 The measure of two angles of a triangle are 72 and 5 find the measure of the third angles.​

Answer 1

Given the measure of two angles of a triangle are 72 0and 58 0

Let the third angle be x

Sum of all the measures of all angles of a triangle =180 0

∴x+72 0 +58 0 =180 0

x+130 0 =180 0

x=180 0 −130 0

x=50 0

Hence,the measure of third angle in a triangle is 50 0

Answer 2

$\large\bold\orange{\underline{Answer:-}}$

✯ Measure of 1st angle = 72°

✯ Measure of 2nd angle = 5°

✯ Let measure of 3rd angle be x

✯ We know measure of 3 sides of a triangle are 180°

$\large\implies$ 72° + 5° + x = 180°

$\large\implies$ 77° + x = 180°

$\large\implies$ x = (180 - 77)°

$\large\implies$ $\boxed{\bold{\purple{ x= 103°}}}$

Therefore, measure of 3rd angle of the triangle is 103°...