The formula of an area of a circle:

We have
r = 1.8 m
π ≈ 3.14
Substitute:

Answer:
35 degrees.
Step-by-step explanation:
It's a reflective sideway triangle.
6×4=24+5=29 inches squared
Answer:
5:9
Step-by-step explanation:
There are 5 blue shapes out of 9 total shapes.
Answer:
4950
Step-by-step explanation:
412.50 x 12
412.50 is the mothly rental
12 are the month in a year
so it is 4950