Question

The question is in the picture :)

Answer 1

Angle N= 5×18°=90°

Angle O=4×18°=72°

Angle M=1×18°=18°

Explanation:

Let M be 1 unit

Angle N is 5 units

Angle O is 4 units

5+4+1 =10 unites

All angles in a triangle add up to 180°

180°÷10=18° per unit

Angle N= 5×18°=90°

Angle O=4×18°=72°

Angle M=1×18°=18°