The fixed sides of an isosceles triangle are of length L = 8 cm. (See the figure.) L cm L cm If the sides slide outward at a speed of 7 cm/min, at what rate is the area enclosed by the triangle changing when 0 = 30°? (Use symbolic notation and fractions where needed.) cm2/min dA dt II

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Chapter1: Functions And Models
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I seem to have gotten the answer 56cos(30) but apparently it is not correct. Any help on why would be greatly appreciated

The fixed sides of an isosceles triangle are of length L = 8 cm. (See the figure.)
L cm
L cm
If the sides slide outward at a speed of 7 cm/min, at what rate is the area enclosed by the triangle changing when 0 = 30°?
(Use symbolic notation and fractions where needed.)
cm2/min
dA
dt
II
Transcribed Image Text:The fixed sides of an isosceles triangle are of length L = 8 cm. (See the figure.) L cm L cm If the sides slide outward at a speed of 7 cm/min, at what rate is the area enclosed by the triangle changing when 0 = 30°? (Use symbolic notation and fractions where needed.) cm2/min dA dt II
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