600/220 = 900/K
K = 900*220/600 = 330
answer
K between C and D street is 330 ft
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7/8 = 9/x
x =9*8/7 = 72/7
answer
72/7
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(x+5)/x = 6/4
6x = 4x + 20
2x = 20
x = 10
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10 inch = 10 x 12 = 120 ft shadow
so cell phone tower's 120 ft shadow will have same 4ft height
answer
cell phone tower's height is 4 ft
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triangle SUN
180 - 25 - 36 = 119
so triangle SUN has 3 angles: 25, 36 and 119
triangle RYA
180 - 36 - 109 = 35
so triangle RYA has 3 angles: 35, 36 and 109
both triangles are not similar
answer
D. the triangles are not similar because no theorem or postulate can be satistifed
