Answer:
h= 17/2
Step-by-step explanation:
Answer:
d) 
Step-by-step explanation:

Answer:

Step-by-step explanation:
Given that,
The diameter of a leather ball, d = 28.4 cm
Radius, r = 14.2 cm
We need to find the area of the piece of leather used on the surface of the ball. The surface area of the ball is given by :

So, the area of the piece of leather is
. The correct option is (b).
Answer:
√(r+n)/5=m
Step-by-step explanation:
r=5m²-n
adding n on both sides
r+n=5m²-n+n
r+n/5=m²
taking square root on both sides
√(r+n)/5=m
Answer:
sorrie
Step-by-step explanation:
no answer here :)