For the right triangle shown, which expression represents the length of CA?
1 answer:
Step-by-step explanation:
The attached figure shows a right angled triangle right angle at C. It is required to find the length of CA.
Here, CA = x = perpendicular
BC = base
AB = hypotenuse =7
Angle B is 40 degrees
We know that the ratio of perpendicular to the hypotenuse is equal to sine of angle.
x is length of CA
So, the correct option is (A).
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