Answer:
324
Step-by-step explanation:
L = 4W
P = 2L + 2W = 90
---
2L + 2W = 90
2(4W) + 2W = 90
8W + 2W = 90
10W = 90
---
W = 9
L = 36
---
A = 324
---
Answer:
5
Step-by-step explanation:
speed=d÷t.
s=1/4=1/20
cross multiply your equation
Answer:
they are corresponding angles
Answer: (a)- 
Step-by-step explanation:
Given
Central angle is 
The radius of the unit circle is 
Arc length is given by

Put the values
