A = b x h x 1/2
a = 30 x 31.5 x 1/2
a = 15 x 31.5
a = 472.5
Answer:
Step-by-step explanation:
By the Intersecting secants theorem, we know that:
Then, substituting, we get:
Now we need to expand the expression:
Simplifying, we get that the value of "x" is:
The united states proved that communism was a threat around the world
:)
You can spend 180.
225•.20= 45
225-45=180