Answer:
The answer is b
Step-by-step explanation:
M=230
m-80=150
add 80 to each sides
Answer:
b·h=105
Step-by-step explanation:
u multiply the base times the height
Step-by-step explanation:
g of load= 30 kg ( kilogram)
load at top of building=20 kg( kilogram)
building height=13 m(meter)
<h2>or"= total work done=?</h2>
<h3> or"=. power developed by him= ? </h3>
now ,
30*20*13÷20
again ,30*20*13
________
20
answer,= 390
