Jesters hat is shaped a rotating cone. Calculate how much paper is needed to the cap 50 cm high when head circumference is 47 cm.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this verbal math problem are needed these knowledge from mathematics:
Next similar examples:
- Chord 4
I need to calculate the circumference of a circle, I know the chord length c=19 cm and the distance from the center d=33 cm chord to the circle.
Cableway has a length of 1800 m. The horizontal distance between the upper and lower cable car station is 1600 m. Calculate how much meters altitude is higher upper station than the base station.
- Area of the cone
Calculate the surface area of the cone, you know the base diameter 25 cm and a height 40 cm.
- RT 10
Area of right triangle is 17 cm2 and one of its cathethus is a=8 cm. Calculate perimeter of the triangle ABC.
- Four ropes
TV transmitter is anchored at a height of 44 meters by four ropes. Each rope is attached at a distance of 55 meters from the heel of the TV transmitter. Calculate how many meters of rope were used in the construction of the transmitter. At each attachment.
Calculate the length of the hypotenuse of a right triangle with a cathetuses 71 cm and 49 cm long.
On wheels with a diameter of 40 cm is fixed rope with the load. Calculate how far is load lifted when the wheel turns 7 times?
How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?
- Circle r,D
Calculate the diameter and radius of the circle if it has length 63.69 cm.
Observatory dome has the shape of a hemisphere with a diameter d = 7 m. Calculate the surface.
Cable consists of 18 strands, each strand consists of 14 wires with diameter d = 0.8 mm. Calculate the cross-section of the cable.
How long is trajectory of second hand of hours for day, if is 33 mm long?
- Circle - simple
The circumference of a circle is 458 mm. How long in mm is its diameter?
- Bicycle wheel
After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
What is the radius of the circle whose perimeter is 10 km?