A1 = A2
B1 = B2
A2 + B2 = 2 C
Total = 5 C
So 2 shaded parts are
2/5 x 100 = 40 cm²
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please explain from A2 + B2= 2c ----how?Cannot understand from here..pls.explain
ReplyDeleteLook at the small letters 2a and a.
ReplyDeleteBase - 2 times, height - the same.