Determine whether the pair of triangles is congruent by the SAS property.
A. Yes
B. No
Answer: B
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Find the nth term {an} of the geometric sequence. When given, r is the common ratio.3, 1, ,
,
, ...
A. an = 3 ? n-1
B. an = 3 ? n-1
C. an = 3 ? n + 1
D. an = 3 ? n
Graph the line.x + y = 4
A.
B.
C.
D.
Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.a = 14, b = 12, ? = 25°
A. two triangles ?1 = 29.54°, ?1 = 125.46°, c1 = 23.13 or ?2 = 150.46°, ?2 = 4.54°, c2 = 2.25 B. one triangle ? = 150.46°, ? = 4.54°, c = 2.25 C. one triangle ? = 29.54°, ? = 125.46°, c = 23.13 D. no triangle
A man standing near a radio station antenna observes that the angle of elevation to the top of the antenna is b? = 67°. He then walks 100 feet further away and observes that the angle of elevation to the top of the antenna is ?a? = 45°. Find the height of the antenna to the nearest foot. (Hint: Findxfirst.)
?
?
A. ft
B. ft
C. ft
D. ft
E. ft