For number one
S: supplement.
R: angle1+angle8 =18
#2
S: supplement
R: angle 3+ angle 6=180
Answer:
78.52 cm sq.
Step-by-step explanation:
Area = pi x r^2
A = pi x (5)^2
A = pi x 25
A = 3.141 x 25
A = 78.52 cm sq.
Answer:
315
Step-by-step explanation:
No. of girls be g
No. of boys be b
g= 180
g/b = 4/3
b = 3g/4
b= 3(180/4)
b= 3*45
b= 135
.
Find b+g
= 135 + 180
= 315
