PS 8 ABC is a sector of a circle centre A and radius 10 cm. Angle BAC is radians. The area of the semicircle (with diameter AC) is twice the area of the sector ABC. Find: 10 cm \0 10 cm C a 0 in terms of II b the perimeter of the complete figure in terms of II.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter11: Addition And Subtraction Of Decimal Fractions
Section: Chapter Questions
Problem 11A
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Please answer only number 8

P
6 Find the area of the segment cut off by a chord of length 10 cm from a circle radius 13
cm.
7
A chord of a circle that subtends an angle of at the centre cuts off a segment equal in
area to of the area of the whole circle.
a Show that - sin
Verify that 0
2.31, correct to 3 significant figures.
ABC is a sector of a circle centre A and radius 10 cm. Angle BAC is ℗ radians. The area
of the semicircle (with diameter AC) is twice the area of the sector ABC.
PS 8
Find:
a
b
10 cm
0
10 cm
= ·π.
B
C
0 in terms of I
the perimeter of the complete figure in terms of è.
Transcribed Image Text:P 6 Find the area of the segment cut off by a chord of length 10 cm from a circle radius 13 cm. 7 A chord of a circle that subtends an angle of at the centre cuts off a segment equal in area to of the area of the whole circle. a Show that - sin Verify that 0 2.31, correct to 3 significant figures. ABC is a sector of a circle centre A and radius 10 cm. Angle BAC is ℗ radians. The area of the semicircle (with diameter AC) is twice the area of the sector ABC. PS 8 Find: a b 10 cm 0 10 cm = ·π. B C 0 in terms of I the perimeter of the complete figure in terms of è.
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