Answer:
Plus or minus 12
Step-by-step explanation:
You can indeed use the quadratic formula (a = 3, b = 0, c = -432), but that'd be overkill. Instead, simplify the given 3y^2 = 432 by dividing both sides by 3: y^2 = 144. Next, take the sqrt of both sides, remembering to preface your answers by "plus or minus:" y = plus or minus sqrt(144) = plus or minus 12.
Answer:
Step-by-step explanation:
AB is a midsegment.
<u>Property of the midsegment is midsegment is half the length of the parallel side of the triangle:</u>
<u>And</u>
Answer:
.
Step-by-step explanation:
We are given that and (because that's the ground), so substituting that into gives .