Answer:
(a+b)/2*h
Step-by-step explanation:
i think its that
All of these answers are wrong....
Answer: A=20
Step-by-step explanation:
3×A=30+30............eqn 1
3A=60
A=60/3
A=20
Substitute A=20 into equation 1
3x20= 30+30
Hey there,
Answer:
9 : 7 : 3
Total units = 19 units
19 u = 266 inches
1 u = 266 / 19
= 14 inches
Shortest side = 3 u
3 u = 14 x 3
= 42 inches
Hope this helps :D
<em>~Top♥</em>
Answer:
B.
4x+9 = 2x-1
Step-by-step explanation: