Answer:
Altitude
Step-by-step explanation:
An altitude of a triangle always extends from a vertex to the opposite base (side) of the triangle, and it is always at a right angle. It is also known as the "height".
To multiply it by itself three time eg 2x2x2
Answer: it’s the 3’rd one
Explanation: I hope this helps
If you're simplifying the equation your answer is going to become -d^3 +3d^2 +23d -30
Answer:
CD = 45
Step-by-step explanation:
CE = 180
( x + 6 ) + ( 4x - 21 ) = 180
5x - 15 = 180
5x = 195
x = 39
substitute x in CD
CD = x + 6
CD = 39 + 6
CD = 45
