Answer:
a. addition property of Equality
Which one do you need help with?
First, draw and label a rough sketch of an isosceles triangle. Now put in the values of pq=2x+3 and pr=9x-11
You know that the triangle is isosceles, therefore, the sides pq and pr are identical.
Now, make the equations equal to each other to find the value of x.
2x+3=9x-11
3+11=9x-2x
14=7x
14/7=x
2=x
Therefore the value of x=2.
Hope I helped :)
Answer:
Prism
B- A triangle cannot be "two polygons"
C- A cube also cannot be "two polygons"
D- A pyramid is not parallel.