An x-method chart shows the product a c at the top of x and b at the bottom of x. Below the chart is the expression a x squared
1 answer:
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Answer:
12.686cm
Step-by-step explanation:
By using pythagoras, we can find CB.
We know that
Therefore,
(it has to be positive since it is distance)
now we look at triangle BCD and use SOH CAH TOA.