Secant DB intersects secant DZ at point D. Find the length of DY.
A. 0
B. 3
C. 6
D. 9 - answerC. 6
A lizard needs to stay a safe distance from a cactus. The diameter of the cactus is 12
inches. If the lizard is 8 inches from a point of tangency, find the direct distance between
the lizard and the cactus (x). If necessary, round to the hundredths place.
A. x = 4 in.
B. x = 6 in.
C. x = 8 in.
D. x = 16 in. - answerA. x = 4 in
In circle V, a diameter and one chord intersect at point W. Find x. If necessary, round to
the tenths place.
A. 4.9
B. 6.3
C. 8
D. 20 - answerC. 8
The planet Neptune is the farthest planet from the Sun. A satellite is orbiting around
Neptune at a distance of 180 km. As the satellite orbits, only a portion of the planet may
be seen at one time. This is referred to as the horizon circle and denoted by the variable
H. The distance between the satellite and the horizon circle H is 2,992 km. Find the
approximate diameter of the planet Neptune. Round your final answer to the nearest
kilometer.
A. 9,846 km
B. 24,777 km
C. 49,554 km
D. 49,732 km - answerC. 49,554 km
In circle E, AC=4, CG=6, and AH=3. Find HB and EG. If necessary, round to the tenths
place.
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