Answer:
angle M = 18°
Step-by-step explanation:
angle M + angle N + angle O = 180°
so from question
angle M + 5(angle M) + 4(angle M) = 180°
so angle M = 18°
63

The sector is

; there are 360 degrees in a circle.
You use the formula

.
18cm is the radius, and then you square it to get 324.
Multiply 324 by

You get 63
Answer:
Step-by-step explanation:
Answer:
6
Step-by-step explanation: