Area Problems A circle and a square have same area. The ratio of the side of the square and the radius of the circle is? ?? : 1 ? : 1 1 : ?? 1 : ? ?? : 1 ? : 1 1 : ?? 1 : ? ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? Area of square = Area of circle ? x2 = ?r2? x/r = ?? = ? ? : 1
Area Problems The area of a rectangular field is 15 time the sum of its length and breadth. If the length of that field is 40 m, what is the breadth of that field? 24 m 25 m 32 m 28 m 24 m 25 m 32 m 28 m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length ot rectangle = 40 mLet breadth of = kThen, according of the question, (40 + k)15 = 40k ? 600 + 15k = 40k ? 25k = 600? k = 24 m
Area Problems Diagonals of a rhombus area 1 m and 1.5 m in lengths. The area of the rhombus is 1.5 m2 1.5 m2 0.375 m2 0.75 m2 1.5 m2 1.5 m2 0.375 m2 0.75 m2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area of rhombus =(d1 x d2)/2 =(1 x 1.5)/2 m2= 0.75 m2
Area Problems If the sides of a rectangle are increased by 10% find the percentage increased in its diagonals. 15% 18% 10% 20% 15% 18% 10% 20% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP According to the formula,? Percentage increase in sides = 10%? Percentage increase diagonals = 10%
Area Problems One side of a parallelogram is 8.06 cm and its perpendicular distance from opposite side is 2.08 cm. What is the approximate area of the parallelogram? 12.56 cm2 22.56 cm2 14.56 cm2 16.76 cm2 12.56 cm2 22.56 cm2 14.56 cm2 16.76 cm2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area of parallelogram = Base x Height = 8.06 x 2.08 = 16.76 cm2
Area Problems The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle? 2, 4, 5 2, 3, 5 3, 4, 5 2, 3, 4 2, 4, 5 2, 3, 5 3, 4, 5 2, 3, 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We know that in any triangle "the sum of two sides is always greater than its third side" and "the difference of two sides is always less than its third side".(i) 2 + 3 is not greater than 5 (ii) |5 - 2| not less than 3
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