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Find the volume of material needed to build a perimeter wall 10 m x 20 m x 0.30 m thick if the wall is 1.5 m high.


A 12 cm x 14 cm x 6cm box is to be completely wrapped with a foil. Determine the required area of foil.


A prism with an altitude of 15 cm has an octagonal base inscribed in a square with side 10 cm. Find the volume of the prism.


A channel has trapezoidal ends. The top width of the channel is measured to be 6m and the bottom width is 3m. If the

depth of the channel is 4m. Find the volume per meter strip.


A man borrowed P10,000 from a bank and agreed to pay the loan at the end of 10 months. The bank
discounted the loan and gave him P9,500 in cash.
a) What was the rate of discount?
b) What was the rate of interest?
c) What was the rate of interest for one year?
Mr. J de la Cruz borrowed money from a bank. He received from the bank P1,342 and promise to pay
P1,500 at the end of 9 months.
1. Determine the discount rate or often referred to as “Banker’s discount”
2. Determine the simple interest rate
Determine the perpendicular distance from joint i to j to upper chord BC

4. In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck. What are the problems associated with this method in terms of shrinkage of concrete?


4. In bridge widening projects, the method of stitching is normally employed for connecting existing deck to the new deck. What are the problems associated with this method in terms of shrinkage of concrete?


1. Under what situation shall engineers use jacking at one end only and from both ends in prestressing work?


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