Answer:
<h3>200201+1918191=9191919289+</h3>
Step-by-step explanation:
<h3>tnks </h3>
The width is basically the diameter, and all you have to do is divide by 2 to get the radius.B is the name for base. I think the formula for a triangle is 1/2 bh. and for the circle c=pieD i hope that helped!