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9. (i) If the length of the sides of a, triangle are in the ratio 3: 4: 5 and its, perimeter is 48 cm, find its area., (ii) The sides of a triangular plot are, in the ratio 3: 5: 7 and its perimeter, is 300 m. Find its area., 1
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13. The sides of a right angled, triangle containing the right angle, are 5x cm and (3x – 1) cm. Calculate, the length of the hypotenuse of the, triangle if its area is 60 cm?., 2
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13. The sides of a right angled, triangle containing the right angle, are 5x cm and (3x – 1) cm. Calculate, the length of the hypotenuse of the, triangle if its area is 60 cm?., 3
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20. An umbrella is made by stitching, 10 triangular pieces of cloth of two, different colors (shown in the given, figure), each piece measuring 20 cm,, 50 cm and 50 cm. How much cloth, of each color is required for the, umbrella?, 50 cm, 20cm, 4
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18. The base of a triangular field is 3, times its height if the cost of, cultivating the field at the rate of Rs, 25 per 100 m2 is Rs 60000; find its, base and height.
