What is the measure of angle A in the triangle below? TIMED HELP
2 answers:
The sine of angle-A is 0.5
so the angle is 30 degrees.
Answer:
Option A is correct
30°
Step-by-step explanation:
Using sine ratio:

In a given triangle ACB:
BC = 9 units and AB = 18
Opposite side of angle A = BC = 9 units
Hypotenuse side = AB = 18 units.
By sine ratio:



On comparing both sides we have;

therefore, the measure of angle A is 30 degree.
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