Questions 22 plz solve
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Ram1993:
77/4
area of sector - area of half circle
area of sector=one fourth of area of circle pf radius 7 and area of half cirlce is the half of the area of the circle of diameter 7
#area of shaded area...not area of sector
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Answered by
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area of OAQB=1/4×pie×14×14=49pie
now
area of two small quad.=2×1/4×pie×7×7=49/2pie=29.5pie
now
area of shaded region=49pie-29.5pie=19.5pie cm^2
hope this is correct :-)
now
area of two small quad.=2×1/4×pie×7×7=49/2pie=29.5pie
now
area of shaded region=49pie-29.5pie=19.5pie cm^2
hope this is correct :-)
excuse me
yes what??
me???
oh...carrt on
it is wrong I think so
oh how but??
I posted is tallly it
am wrong or you
I not sure I am correct
kk
Answered by
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OC=CB (because C is a mid point)
r= OB=OA=7+7=14
Area of quadrant= 1/4×22/7×14×14=154cm^2
area of ODB=1/2×22/7×7×7=77cm^2
Aarea of shaded region =154-77=77cm^2
I hope it is correct. ...
r= OB=OA=7+7=14
Area of quadrant= 1/4×22/7×14×14=154cm^2
area of ODB=1/2×22/7×7×7=77cm^2
Aarea of shaded region =154-77=77cm^2
I hope it is correct. ...
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