Answer:
The Sum of the measures of the interior angles of a triangle is 180°
Step-by-step explanation:
N an acute angle is 90 degrees or less and 90 + 90 is 180 and an obtuse angle is always more than 90 and always less than 180
Answer:
19
Step-by-step explanation:
f(x)=2/3
2/3=-1/3x+7
Subtract 7 from both sides
2/3-7=-1/3x
-6 1/3 = -1/3x
Multiply both sides by -3
-3(-6 1/3)=-1/3x(-3)
19 = x
Answer:
6.5
Step-by-step explanation:
you take the sides all added up (which was 13in) and divided it by two
