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The total surface area of the banner is |
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Answer» Question 1: The formula to calculate the perimeter of the banner is :- (a) 2 (l + b) (b) 2πrh + 2πr2 (c) πr + (2l + b) (d) 2 (l + b) + πr2 Answer :- → perimeter of semi - circle + perimeter of 3 sides of rectangle → (2πr/2) + (2l + b) → πr + (2l + b) (c) (Ans.) Question 2) :- The TOTAL surface AREA of the banner is (a) 55860 cm2 (b) 70952 cm2 (c) 55880 cm2 (d) 70558 cm2 Answer :- → TSA = Rectangle area + (1/2)πr² → TSA = (208 * 96) + (1/2) * (22/7) * (98)² → TSA = 40768 + 22 * 49 * 14 → TSA = 40768 + 15092 → TSA = 55860 cm² (a) (Ans.) Learn more :- ! Read the Source/Text given below and answer four questions: Veena PLANNED to make a jewellery BOX to gift her friend ... 4. An architect is a skilled professional who plans and designs buildings and generally plays a key role in their constr... |
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