The area is 7 units squared.
3-1 = 2
5--2 = 7
2x7 = 14
14/2 = 7
Answer:
The two circles centered at point A are concentric and similar.
1m= 1000mm
so 64mm*1m/1000mm=64/1000m
Answer:
46 and 22
Step-by-step explanation:
let the father b (f) and d son is (s)
so
f=3s.....(1)
(f+10) +(s+10)=68 .... (2)
substitute f=3s in equation (2)
we have
(3s+10)+(s+10)=68
4s+20=68
4s=68-20
4s=48
s=12 .......(3)
substitute (3) in (1)
f=3*12
which f=36
in 10 year time
f+10 =46
s+10=22
