Answer:
B. False; to be concave the angles cannot be congruent.
Step-by-step explanation:
Regular Polygons are never concave.
3/11
1 - (-2) = 3
4 - (-7) = 11
Here is the work if needed
5.5x + 3 = y
7x =y
5.5x + 3 = 7x (-5.5x both sides)
3 = 1.5x (÷1.5 both sides)
X = 2
Michael takes two hours
Answer:
15ft
Step-by-step explanation:
a^2 + b^2 = c^2
12 or 9 can equal to b or a
12^2 + 9^2 = c^2
144 + 81 = c ^2
225 = c^2
Square root of 225
15 = c