Question
What approximate value will come in place of the question
mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 31.2 Γ 19.7 + 48.3 Γ 2.1 = ?Solution
ATQ,
31.2 Γ 19.7 β 31 Γ 20 = 620
48.3 Γ 2.1 β 48 Γ 2 = 96
β 620 + 96 = 716
βABC and βDEF are similar and their areas are respectively 121 cm2 and 144 cm 2 . If EF = 24 cm BC is?
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The length of the each side of an equilateral triangle is 42β3. The area of incircle, (cm 2 ) is
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