Exterior angle of a triangle is defined as the angle formed on one side of a triangle and when the adjacent side of the triangle is extended. Thus, there is only two angles form or legit to be called a pair of exterior angles. The said angles are located opposite of each and having the same value. They are also known as <span>Vertical Angles. </span>
Answer:
38.7
Step-by-step explanation:
Your equation

is in the form

The vertex only relies on "a" and "b" though, so that +9 doesn't really matter in this case. The vertex of a parabola is located where

So your x-coordinate is -1. You need to find f(-1) to find your y-coordinate, and then you list it in the form (-1, y).
Answer:
43+(x-7)=90
43+(x-7)-43=90-43
(x-7)=46
x-7+7=47+7
x=54
Step-by-step explanation:
Biannual and semiannual can be used interchangeably; they both mean “twice a year<span>.” But biennial describes something that occurs every two </span>years<span>.
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