a. Explanation Formula used: Equivalent forms of the Pythagorean theorem : c = a 2 + b 2 a = c 2 − b 2 b = c 2 − a 2 The area of the triangle is A = 1 2 b h where b is base and h is height. Calculation: Substitute b = 4 , h = 7 in A = 1 2 b h , A = 1 2 b h = 1 2 × 4 in . × 7 in . = 14 sq in . Therefore, the area is 14 sq in _ . Perimeter of a triangle is the sum of all side lengths of the triangle b. To determine The area and perimeter of the given parallelogram. c. To determine The area and perimeter of the given figure. d. To determine The circumference and area of the circle if its radius is 2.7 in. Use π ≈ 3.14 and round the result to the nearest tenth.

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Author: SAUNDERS

Publisher: YUZU

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Chapter 8, Problem 6P

To determine

The area and perimeter of the given triangle.

To determine

The area and perimeter of the given parallelogram.

To determine

The area and perimeter of the given figure.

To determine

The circumference and area of the circle if its radius is 2.7 in. Use π≈3.14 and round the result to the nearest tenth.

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Chapter 8, Problem 5P

Chapter 8, Problem 7P

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Chapter 8 Solutions

EBK MATHEMATICS FOR THE TRADES

Ch. 8.1 - A. Solve the following. If you need a protractor,...Ch. 8.1 - Use the geometry relationships to answer the...Ch. 8.1 - Use the geometry relationships to answer the...Ch. 8.1 - In each figure, two parallel lines are cut by a...Ch. 8.1 - Machine Trades A machinist receives a sketch of a...Ch. 8.1 - Carpentry A carpenter wishes to make a...Ch. 8.1 - Carpentry A carpenters square is placed over a...Ch. 8.1 - Carpentry Board 1 must be joined to board 2 at a...Ch. 8.1 - Welding In the pipe flange shown, the six bolt...Ch. 8.2 - Find the perimeter of each polygon.

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The area and perimeter of the given triangle.

Solution Summary: The author calculates the area and perimeter of the given triangle using the Pythagorean theorem.

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The area and perimeter of the given triangle.

The area and perimeter of the given parallelogram.

The area and perimeter of the given figure.

The circumference and area of the circle if its radius is 2.7 in. Use π≈3.14 and round the result to the nearest tenth.

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Chapter 8 Solutions