Answer:
5.1 inches
Step-by-step explanation:
Five triangles make up the pentagon.
The area of each is aside
The area of the pentagon is 5
Substitute values and calculate
Answer:
x=75
Step-by-step explanation:
A( I mean angle)+B+C+D=360°
A=C
B=D
2A+2D=360°
A+D=180°
30°+x+x=180°
2x=150°
x=75
You have to factor by grouping.
(4a - 5) (a + 4)
A decimal is 3.5, or 2.4739464. a number and a little bit. basically not a whole number. :)
10 is the answer. Hope that helped
