Question

C
(iv) the side opposite to the vertex B AC
The measures of two angles of a triangle are 72º and 58º. Find the measure of the third angle.
C 3. The angles of a triangle are in the ratio 1:3:5. Find the measure of each of the angles​

Answer 1

Answer:

iv) 50°

iii) 20°, 60°, 100°

Step-by-step explanation:

i) 72+58+x=180

130+x=180

x=180-130

x=50

ii) 1+3+5=9

(1/9)*180=20

(3/9)*180=60

(5/9)*180=100