An isosceles triangle has equal sides of length 10 cm. The angle 0 between these equal sides is 5V3n increasing at the rate of 3° per minute. Show that the area of the triangle is increasing at 3z cm? per 12 minute at the instant when 0 = 30°.

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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An isosceles triangle has equal sides of length 10 cm. The angle 0 between these equal sides is
increasing at the rate of 3° per minute. Show that the area of the triangle is increasing at V3z cm?
12
n´ per
minute at the instant when 0 = 30°.
Transcribed Image Text:An isosceles triangle has equal sides of length 10 cm. The angle 0 between these equal sides is increasing at the rate of 3° per minute. Show that the area of the triangle is increasing at V3z cm? 12 n´ per minute at the instant when 0 = 30°.
Expert Solution
Step 1

let ABC be the given isosceles traingle with two given sides 10cm

Given that 

θ is the angle between AB and AC and

dθ/dt=3° per minute

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