Area Problems The base of right-angled triangle is 5 meters and hypotenuse is 13 meters . Its area will be? 28 m2 30m2 25m2 None of these 28 m2 30m2 25m2 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Altitude = ?(13)2 - (5)2= ?144 = 12m ? Area of the triangle = (5 x 12 ) / 2 m2= 30m2
Area Problems The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle 44 22 84 33 44 22 84 33 ANSWER DOWNLOAD EXAMIANS APP
Area Problems Four horses are be tethered at four concern of a square plot of side 63 meters, so that they just cannot reach one another. The area left ungrazed is? 675.5 m2 850.5 m2 785.8 m2 780.6 m2 675.5 m2 850.5 m2 785.8 m2 780.6 m2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area left ungrazed = [(63 x 63) - (4 x 1/4 x 22/7 x (63/2)2] m2= (63 x 63 - (99 x 63)/2 ) m2= 63 x (63 - 99/2) m2= 850.5 m2
Area Problems If area of a square is 64 sq cm, then find the area of the circle formed by the same perimeter. 256/? sq cm 215/? sq cm 318/? sq cm 216/? sq cm 256/? sq cm 215/? sq cm 318/? sq cm 216/? sq cm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Area of square = 64 sq cm (Side)2 = 64 ? Side = ?64 = 8 cmAccording to the question,? 2?r = 4 x 8 ? r = (4 x 8)/2?? r = 16/?? Area of the circle = ? x (16/?) x (16/?) sq cm = 256/? sq cm.
Area Problems Find the perimeter of a triangle with sides equal to 6 cm, 4 cm and 5 cm. 18 cm 20 cm 14 cm 15 cm 18 cm 20 cm 14 cm 15 cm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given that, a = 6 cm, b = 4 cm and c = 5 cm Required perimeter = a + b + c= 6 + 4 + 5 cm = 15 cm
Area Problems The ratios of areas of two squares, one having its diagonal double than the other is 3:1 2:3 2:1 4:1 3:1 2:3 2:1 4:1 ANSWER DOWNLOAD EXAMIANS APP
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