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3 years ago

Find the length of BW A.132.59 B.134.24 C.21.26 D.3.33

Mathematics

2 answers:

timama [110]3 years ago

3 0

Answer:

BW = 132.59

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp /adj

tan 9 = 21 / BW

BW tan 9 = 21

BW = 21/ tan 9

BW = 132.5887818

BW = 132.59

r-ruslan [8.4K]3 years ago

3 0

Answer:

Step-by-step explanation:

Side BW is the height, aka as the side adjacent to the reference angle of 9 degrees. We have the side opposite the reference angle (21) and we are looking for the side adjacent to the reference angle. The trig ratio that we use for this, the one that relates the sides opposite and adjacent, is the tangent ratio, namely:

$tan(9)=\frac{21}{BW}$ and solving for BW:

$BW=\frac{21}{tan(9)}$ so

BW = 132.59

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