ANSWER:
Study Guide and Review
19.1 in.
Write the equation of each circle.
35. center at (–2, 4), radius 5
ANSWER:
36. center at (1, 2), diameter 14
ANSWER:
37. FIREWOOD In an outdoor training course, Kat learns a wood-chopping safety check that involves making a circle
with her arm extended, to ensure she will not hit anything overhead as she chops. If her reach is 19 inches, the
hatchet handle is 15 inches, and her shoulder is located at the origin, what is the equation of Kat’s safety circle?
ANSWER:
2
2
x
+ y
= 1156
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