Find each arc measure. D. 43 a) mEF d) mHF b) mDH e) mEDG H c) mGE f) MHDF

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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D
43
E
Find each arc measure.
a) mEF
d) mHF
b) mDH
e) MEDG
79
c) mGE
f) MHDF
H
G
10
Find the measure of AD.
Find the value of x.
(9r + 5)
(&r - 3)
M.
(7x- 12)
143
D
(7x - 6)
(4r)
Find the length of each arc.
a) RS
b) STV
94
9 m
/55
INSCRIBED ANGLES
INSCRIBED ANGLES
An Inscribed angle is
an angle witha
vertex on the
edge of the circle.
The measure of an inscribed angle
Is equal to half the measunre of the
Intercepted arc.
MLABC =
INTERCEPTING A DIAMETER
OVERLAPPING ARCS
INSCRIBED QUADRILATERALS
Aninscribed ange that
intercepts a dameter or
semicircle is equal to 90°.
If two nscribed angles
intercept the same arc, then
the angles are congruent.
Ifaquadriatera is inscrbed
nacrdle, thenits opposite
angles are supplementary
mZA + m2C = 180°
MZABC = 90°
MZABD = m2LACD
m²B + m¿D = 180°
Find each measure.
Find the value of x.
a) MZSTR
b) MZQRS .
c) mTQ
d) MZSQR
106
e) mST
(16r - 2)
f) mQR
Find mEC
15
Find mW
Transcribed Image Text:D 43 E Find each arc measure. a) mEF d) mHF b) mDH e) MEDG 79 c) mGE f) MHDF H G 10 Find the measure of AD. Find the value of x. (9r + 5) (&r - 3) M. (7x- 12) 143 D (7x - 6) (4r) Find the length of each arc. a) RS b) STV 94 9 m /55 INSCRIBED ANGLES INSCRIBED ANGLES An Inscribed angle is an angle witha vertex on the edge of the circle. The measure of an inscribed angle Is equal to half the measunre of the Intercepted arc. MLABC = INTERCEPTING A DIAMETER OVERLAPPING ARCS INSCRIBED QUADRILATERALS Aninscribed ange that intercepts a dameter or semicircle is equal to 90°. If two nscribed angles intercept the same arc, then the angles are congruent. Ifaquadriatera is inscrbed nacrdle, thenits opposite angles are supplementary mZA + m2C = 180° MZABC = 90° MZABD = m2LACD m²B + m¿D = 180° Find each measure. Find the value of x. a) MZSTR b) MZQRS . c) mTQ d) MZSQR 106 e) mST (16r - 2) f) mQR Find mEC 15 Find mW
) Directions: Using the uircle below, give an example of each part.
A
a) Center:
g) Major Arc:
b) Chord:
h) Minor Arc:
H
c) Diameter:
i) Semicircle:
d) Radius:
j) Tangent:
E
e) Central Angle:
k) Point of Tangency:
F\ G
f) Inscribed Angle:
I) Secant:
AREA & CIRCUMFERENCE
AREA FORMULA:
CIRCUMFERENCE FORMULA:
Find the area:
Find the area:
32 in
7 cm
Find the circumference:
Find the circumference:
11 m
15 ft
Find the radius of a circle with a circumference
of 81.68 cm.
Find the diameter of a circle with an area of
254.47 mm².
CENTRAL ANGLES & ARC LENGTHS
CENTRAL ANGLES
ARC MEASURE & ARCLENGTH
A central angle is
an angle with a
vertex on the
center of a circle.
The measure of an arc is equal to the
central ange that creates the arc.
D
B
Arc Measure mAC= m/ABC
Arc Length I=x•2
360
The sum of all central anges
nacrde is
(x - the measure of the arc)
Find each arc measure.
D
43°
a) mEF
d) mHF
b) mDH
e) mEDG
79
F
H
с) тGE
f) MHDF
G
Transcribed Image Text:) Directions: Using the uircle below, give an example of each part. A a) Center: g) Major Arc: b) Chord: h) Minor Arc: H c) Diameter: i) Semicircle: d) Radius: j) Tangent: E e) Central Angle: k) Point of Tangency: F\ G f) Inscribed Angle: I) Secant: AREA & CIRCUMFERENCE AREA FORMULA: CIRCUMFERENCE FORMULA: Find the area: Find the area: 32 in 7 cm Find the circumference: Find the circumference: 11 m 15 ft Find the radius of a circle with a circumference of 81.68 cm. Find the diameter of a circle with an area of 254.47 mm². CENTRAL ANGLES & ARC LENGTHS CENTRAL ANGLES ARC MEASURE & ARCLENGTH A central angle is an angle with a vertex on the center of a circle. The measure of an arc is equal to the central ange that creates the arc. D B Arc Measure mAC= m/ABC Arc Length I=x•2 360 The sum of all central anges nacrde is (x - the measure of the arc) Find each arc measure. D 43° a) mEF d) mHF b) mDH e) mEDG 79 F H с) тGE f) MHDF G
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