Q.12 The sides of a triangle are in the ratio of 3:5:7 and its perimeter is 300 cm. Its area will be
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Answer: given below
Step-by-step explanation: add 3, 5, 7= 15
1 = 300/15 =20
3= 20×3 = 60
5= 20×5 = 100
7= 20× 7 = 140
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Answer:
photosynthesis is the process in which plants make their food.
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