Answer:
1/9
Step-by-step explanation:
8/9 ÷ 8/1
8/9 x 1/8 = 8/72
The GCF for 8 and 72 is 8
÷
=
Answer:
166
Step-by-step explanation:
Brainliest and a thanks??
Answer:
x= 15
Step-by-step explanation:
Since this is an isosceles triangle, the other angle is also 5x-6
The sum of the angles of a triangle is 180
42+ 5x-6 + 5x-6 = 180
Combine like terms
10x+30 =180
Subtract 30 from each side
10x+30-30 = 180-30
10x = 150
Divide by 10
10x/10 = 150/10
x= 15
There are 9 diagonals.
Please see the attached picture for all the vertices that are drawn. When you start drawing the diagonals, be cautious of the ones that you have already drawn.