Question

if each side of an equilateral triangle increasing at the rate of √2 CM / sec. find side of length is 3cm ?
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Answer 1

Answer:

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Step-by-step explanation:

Let the time taken to reach 3 cm be x seconds.

A/Q,

✓2 cm in 1 sec

so, 1cm in (1/✓2) sec

3 cm in 1/✓2 × 3 sec = 3/✓2 sec.

So, the length of each side will increase by 3 cm in 3/✓2 seconds.