Your classmate confuses the formulas for the circumference and area of a circle. He know that one of the formulas is nr2. How can he use the units for
circumference and area to help him remember which formula to use?
I

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.