II. Solve the following problems. Show details and illustrations.1.The sides of an equilateral triangle are increasing at the rate of 3 cm/min.a) the rate of change of the perimeter.b) the rate of change of the area when the side is 3 cm. long.Find:2. An open rectangular box w/ square ends to hold 6400 cu ft, is to be built at a cost ofPhp 75.00 per sq ft. for the base and Php 25.00 /sq ft for the sides. Find the mosteconomical dimensions.3. A rectangle is inscribed in a right triangle of sides 5, 12, and 13. What are thedimensions of the rectangle of greatest area if the its sides coincides with the legs ofthe triangle.

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Answered: 1.The sides of an equilateral triangle…

1.The sides of an equilateral triangle are increasing at the rate of 3 cm/min. a) the rate of change of the perimeter. b) the rate of change of the area when the side is 3 cm. long. Find:

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

II. Solve the following problems. Show details and illustrations.
1.The sides of an equilateral triangle are increasing at the rate of 3 cm/min.
a) the rate of change of the perimeter.
b) the rate of change of the area when the side is 3 cm. long.
Find:
2. An open rectangular box w/ square ends to hold 6400 cu ft, is to be built at a cost of
Php 75.00 per sq ft. for the base and Php 25.00 /sq ft for the sides. Find the most
economical dimensions.
3. A rectangle is inscribed in a right triangle of sides 5, 12, and 13. What are the
dimensions of the rectangle of greatest area if the its sides coincides with the legs of
the triangle.

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