Q. 1 c) -220 degrees. is -180 Plus(-40) degrees. It will be in Quadrant II
Q. 2 a) 14.07 cms
radius = 7.2 cm perimieter 2 x 3.14 x 7.2 = 45.216 cm
angle is 112 degree
112/360x45.216 = 14.0672 or 14.07 cm
Q.3 d) 21.833
50/60 is 0.833 (nearest thousandth)
1.Which angle measure is consistent with all of the following criteria?
(i) The reference angle is 40°.
(ii) The angle is more than one revolution.
(iii) The angle's terminal side is in Quadrant II.
(iv) The angle isn't positive.
A. –580°
B. –500°
C. –220°
D. 500°
2.0 The radius of a circle is 7.2 cm. If a central angle measures 112°, what is the length of its intercepted arc
to the nearest hundredth?
A. 14.07 cm
B. 7.04 cm
C. 2.24 cm
D. 4.48 cm
3. Convert 21°50" to decimal degrees. Round your answer to the nearest thousandth.
A. 21.0138°
B. 21.014°
C. 21.8333°
D. 21.833°
4. A carpenter wants to be sure that the corner of a building is square and measures 6.0 ft and 8.0 ft along
the sides. How long should the diagonal be?
A. 12 ft
B. 10 ft
C. 11 ft
D. 14 ft
5. A wheel 5.00 ft in diameter rolls up a 15.0° incline. How far above the base of the incline is the top of
the wheel after the wheel has completed one revolution?
A. 4.07 ft
B. 13.1 ft
C. 8.13 ft
D. 9.07 ft
2 answers
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2 answers