Answer:
Step-by-step explanation:
ans is -4
18.84
3.14 · 6
53
Use pemdas
Use P and do (2+2)
then E 2^3 to get 8
Now you have 9-4/4+8*5
Do M and D To get 9-1+45
Now add and subtract to get your answer
5²+10²=25+100=125
13²=169
so 5²+10²≠13²
so it is not a right angled triangle.
A≈852.83cm²
<em>Radius</em>
7cm
<em>Height</em>
31cm
