Answer:
true
Step-by-step explanation:
sinA² + cosA²=1
⇔(1/2)² + cosA²=1
⇔cosA=±(√3/2)
A≈852.83cm²
<em>Radius</em>
7cm
<em>Height</em>
31cm
b 129%
The solution would be 75911*10^10/462500 or 1.64132 x 10^9
1/6