Posted by **Dolceza** on Thursday, June 3, 2010 at 6:58pm.

the pretty perfume company designed a new perfume bottle. The bottle is to be a spherical shape with a diameter of 7cm.

a) determine the volume and surface area of this bottle.

b) The spherical bottle has a conical shaped lid with a diameter of 5cm and a height of 4.5cm. Calculate the volume and surface area of the lid. Before you can use the surface area formula for a cone you will need to find the slant height of the lid.

Please show your work so I can understand how to do it.

- mathematics -
**Reiny**, Thursday, June 3, 2010 at 9:25pm
So your bottle has a radius of 3.5 cm

volume of sphere = (4/3)π r^3

surface area = 4π r^2

sub in r = 3.5 into both equations.

b) the surface area of a cone, without its base, is

πrs, where s is the slant height, and r is the radius.

we have to first calculate s by

s^2 = 2.5^2 + 4.5^2

s = √26.5

so surface area = π(2.5)(√26.5))

= ....

## Answer this Question

## Related Questions

- Math - the pretty perfume company designed a new perfume bottle. The bottle is ...
- ALGEBRA - CHLOR PURCHASED A BOTTLE OF PERFUME FOR $1.60 PER 0.01 ONUNCE. WHAT IS...
- Math - A specialty cooking oil is packaged in a bottle that is a triangular ...
- science - what volume of helium would be in a balloon the size of a soft drink ...
- physics homework 4 - A 1.60 kg win bottle is lying horizontally in a rack. The ...
- physics! - A 1.60-kg bottle of vintage wine is lying horizontally in a rack. The...
- physics - A sealed glass bottle containing air at atmospheric pressure (101kPa) ...
- physics - During a Science day learners use a plastic cold drink bottle as a ...
- math - Write down the objective function and the constraints for the given ...
- Physics - A shipwrecked mariner is stranded on a desert island. He seals a plea ...

More Related Questions