9. The perimeter of a circle is 88cm. A and B are points on the circumference of the circle such that AB is a chord which subtends an angle of 70° at the center of the c Calculate; correct to three decimal places, the (a) Length of the chord AB. 22 (b) Area of the minor segment cut off by the chord. Take z = 7

9. The perimeter of a circle is 88cm. A and B are points on the circumference of the circle such that AB is a chord which subtends an angle of 70° at the center of the c Calculate; correct to three decimal places, the (a) Length of the chord AB. 22 (b) Area of the minor segment cut off by the chord. Take z = 7

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

9. The perimeter of a circle is 88cm. A and B are points on the circumference of the
circle such that AB is a chord which subtends an angle of 70° at the center of the c
Calculate; correct to three decimal places, the
(a) Length of the chord AB.
22
(b) Area of the minor segment cut off by the chord. Take z =
7

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