The statement “five-ninths” implies that it is equivalent to 5/9 or five-ninths and only B mentions the compatible answer.
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Ok, so here's how you do it.Since you have those two 21s, you know those sides are equal, which means that you're gonna make an equation 38+2x=180 because all angles in a triangle have to equal 180 and whatever that x equal is also what that other missing angle is I think because of those two sides being equal and then you're going to solve that equation for x, so you wanna get x by itself. You subtract that 38 from the sides it's on and do the same to the other side, so 180-38, which equals 142. So now you have 2x=142, you have to get x by itself, so to do that you divide by 2 on both sides, so 142/2=71, so x=71.Hope that helps.
Answer:
if you mean like you have a algebraic expression and they give you the values of the variables to substitute into the equation, then you just replace the variable with the value for instance
if x = 5
in the equation x + 3 =
then we would replace x with 5 and get 5 + 3 = 8
Step-by-step explanation:
A square/rectangular pyramid, a pyramid with four triangular sides and one square side, is a figure with five faces,eight edges<span> and </span><span>five vertices
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It would be D <span>rectangular pyramid
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