What would a price ceiling at $4.00 create? How much?
A. Surplus, 40 meals
B. Surplus, 20 meals
C. Shortage , 40 meals
D. Shortage , 20 meals

D. Shortage , 20 meals

Explanation:

angle a = 40.6°

step-by-step explanation:

for any right angle triangle we know the pythagoras theorem reveals

hypotenuse² = height²+base²

by this formula we will calculate the length of hypotenuse

h² = 6²+7²

⇒ h =√36+49 = √85 = 9.22

now from the given triangle sin a = height/ hypotenuse

                                                sin a = 6/9.22 = 0.651

therefore

so angle a = 40.6°

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