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This problem is so hard!!!!!

This Problem Is So Hard class=

Sagot :

Answer:

3/7

Step-by-step explanation:

Sin (R) = opposite ÷ hypotenuse,

Find the opposite by using pythagorean theorem.

(AY)^2 + (2√10)^2 = 7^2

(AY)^2 + 40 = 49

(AY)^2 = 9

AY = 3

Sin(R) = 3/7
Ay = 3
The final answer Sin(R) = 3/7
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