Answer:
Step-by-step explanation:
Given
Required
Find x
We have:
Rewrite as:
Expand
Factorize
Factor out x + 520
Split
Solve
Side length must be positive;
So:
Solve 60 ÷ 5(1 + 1(1 + 1))
2 answers:
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A. (1, 0) and (–6, –28)
B. (1, 20) and (6, 0)
C. (1, 0) and (6, 20)
D. no solution
Correct answer is C.
Answer with Step-by-step explanation:
We are given that:
tanA = 0.45
tanA=
=
⇒ =0.45
⇒ =
⇒ =
⇒ AC= 20
Hence, by pythagoras theorem
AB²=AC²+BC²
AB²=20²+9²
AB²=481
⇒ AB=21.9 units
Hence, the approximate length of AB is:
22 units