Answer:
<h2>R = 16 in</h2>
Step-by-step explanation:
The formula of a Surface Area of a sphere:
![S.A.=4\pi R^2](https://tex.z-dn.net/?f=S.A.%3D4%5Cpi%20R%5E2)
R - radius
We have
![S.A.=1024\pi\ in^2](https://tex.z-dn.net/?f=S.A.%3D1024%5Cpi%5C%20in%5E2)
Substitute:
<em>divide both sides by π</em>
<em>divide both sides by 4</em>
![R^2=256\to R=\sqrt{256}\\\\R=16\ in](https://tex.z-dn.net/?f=R%5E2%3D256%5Cto%20R%3D%5Csqrt%7B256%7D%5C%5C%5C%5CR%3D16%5C%20in)
Answer:
A
Step-by-step explanation:
When you rotate the shape it will be the same as it was before .
Answer:
The surrounding air
Step-by-step explanation:
Answer:
34
Step-by-step explanation:
Answer: Triangle ABC and Triangle ECD
Step-by-step explanation:
In Triangle ABC and Triangle ECD
BD=CD and AD=ED [given in the figure]
∠BDA=∠EDC [Vertically opposite angles are equal]
⇒ΔABC ≅ ΔECD [By SAS postulate]
SAS postulate or Side Angle Side postulate tells that if two sides and their included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.