Answer:
A ) Substitute the side lengths of a and b in the equation
Step-by-step explanation:
The hypotenuse which is opposite the right angle it always the length of C in the cosine rule.
Answer:
6.4
Step-by-step explanation:
add all numbers together then divide by 5
Answer:
option B is the correct answer of this question.
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Yes, this is a perfect square because it can be square rooted to get 7x
Answer:
324
Step-by-step explanation: