http://www.ck12.org Chapter 8. Right Triangle Trigonometry
2.
a.√
50 =
√
25 · 2 = 5
√
2
b.√
27 =
√
9 · 3 = 3
√
3
c.√
272 =
√
16 · 17 = 4
√
17
a. 2√
10 +
√
160 = 2
√
10 + 4
√
10 = 4
√
10
b. 5√
6 · 4
√
18 = 5
√
6 · 12
√
2 = 60
√
12 = 120
√
3
c.
marvins-underground-k-12
(Marvins-Underground-K-12)
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