cylindrical question?

1 ⤊

cylindrical question?

A cylindrical can has a diameter 4 inches and height 7 inches. The longest pencil that can fit in the can with its lid closed is approximately how long?

A- 7 in.
B- 8 in.
C- 9 in.
D- 10 in.

2007-08-23 05:01:32 · 2 answers · asked by Mari 1 in Education & Reference ➔ Homework Help

2 answers

This can be solved using the Pythagorean Theorem.

c² = a² + b²

c² = 4² + 7²

c² = 65

c = √65

c = 8.1 in

The correct answer is B.
.

2007-08-23 05:26:07 · answer #1 · answered by Robert L 7 · 1⤊ 0⤋

2007-08-23 12:10:18 · answer #2 · answered by Friend 3 · 0⤊ 1⤋