Kweku walked 8m up to slope and was 3m above the ground. ...
Kweku walked 8m up to slope and was 3m above the ground. If he walks 12m further up the slope, how far above the ground will he be?
A.
4.5m
B.
6.0m
C.
7.5m
D.
9.0m
Correct answer is C
By similar triangles, \(\frac{8}{3}\) = \(\frac{8 + 12}{h}\)
\(\frac{8}{3} = \frac{20}{h}\)
h = \(\frac{3 \times 20}{8}\)
= 7.5m
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