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2 years ago

Suppose a triangle has two sides of length 3 and 4 and that the angle

Mathematics

2 answers:

rodikova [14]2 years ago

4 0

Answer:

Step-by-step explanation:

We can use the law of cosinse:

$c^{2}$ = $a^{2} + b^{2}$ − 2ab cos(C)

Suppose the two sides are a and b, and the angle betweent them is C.

$c^{2}$ = $3^{2} + 4^{2}$ − 2*3*4 cos(60)

We can simplify this to get $c^{2}$ =25-12=13

c= $\sqrt{13}$

Answer choice B

frozen [14]2 years ago

4 0

Answer:

Step-by-step explanation:

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3 years ago

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Ben's rate is $\dfrac{1}{6}$ greater than Kate's rate.

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1. If it takes Ben 2 days to write reports, then his rate is $\dfrac{1}{2}$ of reports per day.

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