What is the value of s to the nearest whole number?
a) 13
b) 12
c) 14
d) 10

Given:

In given Δ RST,

RS = 9, ST = 8 and ∠S = 110°

To find the value of another side RT (s).

Formula

By cosine law we get,

Now,

Putting,

b=9, c=8, A = 110° and a=s we get,

or,

or,

or,

or,

or,

Hence,

The value of s is 14. Option C.

hello i am doing good for you that it's summer in your country or state ; )

btw in my country we just have sun and rain as (because i live in the caribbean lol)

also, thx a lot for the points : )

a

step-by-step explanation:

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