Practice Worksheet:   Find Radius, Height, or Surface Area  (11.2-11.6)

Short Answer

	1.	Find the height of the cylinder.

	2.	Find the height of the cylinder.

	3.	The lateral area of a cone is 165 cm. The radius is 44 cm. Find the slant height to the nearest tenth.

	4.	The lateral area of a cone is 143 cm. The radius is 41 cm. Find the slant height to the nearest tenth.

	5.	A balloon has a circumference of 17 in. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.

	6.	A balloon has a circumference of 26 cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter.

	7.	The volume of a cylinder is 1000 in.. The height of the cylinder is 10 in. What is the radius of the cylinder?

	8.	The volume of a cylinder is 565 in.. The height of the cylinder is 8 in. What is the radius of the cylinder?

	9.	The volume of a sphere is 5000 m. What is the surface area of the sphere to the nearest square meter?

	10.	The volume of a sphere is 4500 m. What is the surface area of the sphere to the nearest square meter?

	11.	The volume of a sphere is 3500 m. What is the surface area of the sphere to the nearest square meter?

Practice Worksheet:   Find Radius, Height, or Surface Area  (11.2-11.6)
Answer Section

SHORT ANSWER

	1.	ANS:	
2.4 in.

PTS:	1	DIF:	L3	REF:	11-4 Volumes of Prisms and Cylinders
OBJ:	11-4.2 Finding Volume of a Cylinder		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cylinder | volume of a cylinder | volume	

	2.	ANS:	
2.4 in.

PTS:	1	DIF:	L3	REF:	11-4 Volumes of Prisms and Cylinders
OBJ:	11-4.2 Finding Volume of a Cylinder		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cylinder | volume of a cylinder | volume	

	3.	ANS:	
3.8 cm

PTS:	1	DIF:	L3	REF:	11-3 Surface Areas of Pyramids and Cones
OBJ:	11-3.2 Finding Surface Area of a Cone		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cone | lateral area | slant height of a cone	

	4.	ANS:	
3.5 cm

PTS:	1	DIF:	L3	REF:	11-3 Surface Areas of Pyramids and Cones
OBJ:	11-3.2 Finding Surface Area of a Cone		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cone | lateral area | slant height of a cone	

	5.	ANS:	
92 in.

PTS:	1	DIF:	L2	REF:	11-6 Surface Areas and Volumes of Spheres
OBJ:	11-6.1 Finding Surface Area and Volume of a Sphere	STA:	CA GEOM 8.0| CA GEOM 9.0
TOP:	11-6 Example 2		
KEY:	circumference of a circle | surface area of a sphere | surface area | surface area formulas | sphere

	6.	ANS:	
215 cm

PTS:	1	DIF:	L2	REF:	11-6 Surface Areas and Volumes of Spheres
OBJ:	11-6.1 Finding Surface Area and Volume of a Sphere	STA:	CA GEOM 8.0| CA GEOM 9.0
TOP:	11-6 Example 2		
KEY:	circumference of a circle | surface area of a sphere | surface area | surface area formulas | sphere

	7.	ANS:	
7 in.

PTS:	1	DIF:	L3	REF:	11-4 Volumes of Prisms and Cylinders
OBJ:	11-4.2 Finding Volume of a Cylinder		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cylinder | problem solving | volume		

	8.	ANS:	
7 in.

PTS:	1	DIF:	L3	REF:	11-4 Volumes of Prisms and Cylinders
OBJ:	11-4.2 Finding Volume of a Cylinder		STA:	CA GEOM 8.0| CA GEOM 9.0
KEY:	cylinder | problem solving | volume		

	9.	ANS:	
3033 m

PTS:	1	DIF:	L2	REF:	11-6 Surface Areas and Volumes of Spheres
OBJ:	11-6.1 Finding Surface Area and Volume of a Sphere	STA:	CA GEOM 8.0| CA GEOM 9.0
TOP:	11-6 Example 4		
KEY:	surface area of a sphere | problem solving | word problem | sphere | surface area | surface area formulas | volume

	10.	ANS:	
2827 m

PTS:	1	DIF:	L2	REF:	11-6 Surface Areas and Volumes of Spheres
OBJ:	11-6.1 Finding Surface Area and Volume of a Sphere	STA:	CA GEOM 8.0| CA GEOM 9.0
TOP:	11-6 Example 4		
KEY:	surface area of a sphere | problem solving | word problem | sphere | surface area | surface area formulas | volume

	11.	ANS:	
2391 m

PTS:	1	DIF:	L2	REF:	11-6 Surface Areas and Volumes of Spheres
OBJ:	11-6.1 Finding Surface Area and Volume of a Sphere	STA:	CA GEOM 8.0| CA GEOM 9.0
TOP:	11-6 Example 4		
KEY:	surface area of a sphere | problem solving | word problem | sphere | surface area | surface area formulas | volume