Answer:
Option (3)
Step-by-step explanation:
In a right triangle,
Cosine rule →
Sine rule →
In the given triangle,
By cosine rule,
Or cos(h°) = z ÷ x
Therefore, Option (3) will be the answer.
A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the
1 answer:
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Answer:
Step-by-step explanation:
We have to write 243 as a power of some number.
So, if we factorize 243 we get,
243 = 3 × 3 × 3 × 3 × 3
Therefore, we can write 243 as a power of 3.
No other number can be written in powers of 243 because it do not contain any other factor than 3.
Hence, 243 can be written as :
