Q20 please fast........
Attachments:
Answers
Answered by
1
length=1.1m
height=14m
Area of floor=πr²
346.5m²=22/7×r²
110.25=r²
10.5m=r
l=√(h²+r²)
l=√(14²+10.5²)
l=√(196+110.5)
l=17.5m
Surface area=πrl
=>22/7×10.5×17.5
=>577.5m²
Length of canvas × width of canvas=577.5m²
1.1×width of canvas=577.5m²
width=577.5/1.1
width=>525m
Option b is right
height=14m
Area of floor=πr²
346.5m²=22/7×r²
110.25=r²
10.5m=r
l=√(h²+r²)
l=√(14²+10.5²)
l=√(196+110.5)
l=17.5m
Surface area=πrl
=>22/7×10.5×17.5
=>577.5m²
Length of canvas × width of canvas=577.5m²
1.1×width of canvas=577.5m²
width=577.5/1.1
width=>525m
Option b is right
Similar questions