Multiply 30 and 12 and your answer will be 360
Answer:
12 x 10 = 120
120 divided by 2 = 60
Formula of a triangle:
B(base) x H(height) x 1/2(basically dividing by 2)
6x+5y=-15
5y=-15-6x
y=(-15-6x)/5
It's False; an octagon has 8 vertices. When you remove the starting vertex and the two adjacent vertices we're left with 5 possible diagonals
76 + 4 is 80... don't know what you're asking
