Area Problems The area of the sector of a circle, whose radius is 12 meters and whose angle at the centre is 42, is? 26.4 sq. meters 52.8 sq. meters 79.2 sq. meters 39.6 sq. meters 26.4 sq. meters 52.8 sq. meters 79.2 sq. meters 39.6 sq. meters ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area of the sector = [(22/7) x 12 x 12] x [42°/360°] m2 = 52.8 m2
Area Problems The ratios of areas of two squares, one having its diagonal double than the other is 4:1 3:1 2:1 2:3 4:1 3:1 2:1 2:3 ANSWER DOWNLOAD EXAMIANS APP
Area Problems A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. the cost of flooring the verandah at the rate of 3.50 per sq. meter is? Rs. 800 Rs. 500 Rs. 600 Rs. 700 Rs. 800 Rs. 500 Rs. 600 Rs. 700 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area of verandah = [(25 x 20) -(20 x 15)] m2= 200 m2? Cost of flooring = Rs. (200 x 3.50)= Rs. 700
Area Problems Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is? x/2 2x 4x x x/2 2x 4x x ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let h be the altitude of triangle.So area of triangle = (1/2)xh area of square = x2From question area of square = area of triangle x2 = (1/2)xh ? h = (2x2)/x = 2x
Area Problems The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle 22 44 33 84 22 44 33 84 ANSWER DOWNLOAD EXAMIANS APP
Area Problems Square units 13 by 9 of an office area is 117 107 127 97 117 107 127 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Square units 13 by 9 of an office means office of length 13 units and breadth 9 units. Now its area is 13x 9 = 117 square units or units square.
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