. A window glass is 4 ft. 2 in. by 2 ft. 10 in. Find its area in square meter.

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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1. A window glass is 4 ft. 2 in. by 2 ft. 10 in. Find its area in square meter.

 

2. Find the largest area of the circle which can be cut from a square of edge 4 in. What is the area of the material wasted?

 

3. A garden plot is to contain 25 sq.m. If its length is to be twice its width, what should its dimension be?

4. Find the length of the diagonal of:

a)A square in terms of its edge a
b)A rectangle in terms of its base b and its altitude h.

 

 

5. Find the area of an equilateral triangle of side a.

 

6. Express the area of a circle in terms of the diameter d.

 

7. Write a formula for the circumference of a circle in terms of the diameter d.

 

8. The official distance between home plate and second base in a baseball diamond is 120 ft. Find the area of the official ball diamond and the distance between the bases. ( The official ball diamond is in the form of a square)

 

9. A metal washer is 1 in. in diameter is pierced by a 0.5 in. hole. What is the area of one face of the washer

10. A certain city block is in the form of a parallelogram. Two of its sides are each 140 m long; the other two sides are each 76 m in length. If the distance between the first pair of sides is 42 m., find the area of the land in the block and the length of the diagonals.

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