3) If the areas of two similar triangles are 16cm’ and 49cm'. Then the ratio of their corresponding sides is a) 4:7 b) 16:49 c) 32:98 d) 2:16 DAA...
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a) 4:7
Step-by-step explanation:
Let's take the two triangles to be ∆ABC and ∆PQR
Then, ar of ∆ABC/ ar of ∆PQR = AB²/PQ²
→ 16²/49² = AB²/PQ²
Taking sq root on both sides
→ √16/49 = √AB/PQ
→ 4/7 = AB/PQ
Therefore, the answer is a) 4:7
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