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In the given figure a circle of diameter 21 cm is given inside the circle two circles with diameter 2 upon 3 and 1 upon 3 of the diameter of the big circle have been known as shown in the given figure find the area of the shaded region

Posted by Diksha Dubey 6 years, 11 months ago

CBSE > Class 07 > Mathematics

1 answers

Ram Kushwah 6 years, 11 months ago

R=21/2 cm

R1=14/2 cm

R2=7/2 cm

Area=1/4×π(21^2-14^2-7^2)

=1/4×22/7(441-196-49)

1/4×22/7×196=154 cm2

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CBSE > Class 07 > Mathematics