Sum = adding correct.
That means we need to add 7+5 =12
and add the /8 to it
12/8
But thats improper so we need to simplify.
1 4/8
But theres still some simplifying.
4/8=1/2
That means your answer is 1 1/2
Hope this helped :)
Answer:
This depends on the way the triangle
Step-by-step explanation:
Anyway angles that apply includes: 55 and 70
Step-by-step explanation:
Area of a circle is pi times r-square

So...

<em>Do the rest yourself, my calculator and pen are not </em><em>handy</em><em>.</em><em> </em><em>Sorry</em>