X*2 + 13x - 48
x*2 +5x +8x - 48
x ( x +5) - 8 ( x +5)
(X+5)(x-8)
I know that one other form is
800,000+1,000+6
Answer:
Angles 2,5, and 6 are all 138.
Angles 1,3,4, and 7 are all 42.
Explanation: 180-138=42
Answer:
The area of the regular pentagon is 
Step-by-step explanation:
we know that
The area of a regular polygon is equal to

where
P is the perimeter of the regular polygon
a is the apothem
Find the perimeter P
----> the regular pentagon has five equal sides
---> distance from center to middle of side
substitute

