Identifying 3D shapes and rotating solids

A student has a rectangular postcard that he folds in half lengthwise. Next, he rotates it continuously about the folded edge. Which three-dimensional object below is generated by this rotation?

• 
• 
• 
• 

Tags

CCSS.7.G.A.3

Which object is formed when right triangle RST shown below is rotated around leg RS?

• a pyramid with a square base

• an isosceles triangle

• a right triangle

• a cone

Tags

CCSS.7.G.A.3

Circle O is centered at the origin. In the diagram below, a quarter of circle O is graphed. Which three-dimensional figure is generated when the quarter circle is continuously rotated about the y-axis?

• cone

• sphere

• cylinder

• hemisphere

Tags

CCSS.7.G.A.3

If the rectangle below is continuously rotated about side w, which solid figure is formed?

• pyramid

• rectangular prism

• cone

• cylinder

Tags

CCSS.7.G.A.3

If an equilateral triangle is continuously rotated around one of its medians, which 3-dimensional object is generated?

• Cone

• Pyramid

• Prism

• Sphere

Tags

CCSS.7.G.A.3

Triangle ABC, with vertices at A(0,0), B(3,5), and C(0,5) is graphed on the set of axes above. Which figure is formed when triangle ABC is rotated continuously about BC?

• 
• 
• 
• 

Tags

CCSS.7.G.A.3

An isosceles right triangle whose legs measure 6 is continuously rotated about one of its legs to form a three-dimensional object. The three-dimensional object is a

• cylinder with a diameter of 6

• cylinder with a diameter of 12

• cone with a diameter of 6

• cone with a diameter of 12

Tags

CCSS.7.G.A.3

Which three-dimensional figure will result when a rectangle 6 inches long and 5 inches wide is continuously rotated about the longer side?

• a rectangular prism with a length of 6 inches, width of 6 inches, and height of 5 inches

• a rectangular prism with a length of 6 inches, width of 5 inches, and height of 5 inches

• a cylinder with a radius of 5 inches and a height of 6 inches

• a cylinder with a radius of 6 inches and a height of 5 inches

Tags

CCSS.7.G.A.3

Square MATH has a side length of 7 inches. Which three-dimensional object will be formed by continuously rotating square MATH around side AT ?

• a right cone with a base diameter of 7 inches

• a right cylinder with a diameter of 7 inches

• a right cone with a base radius of 7 inches

• a right cylinder with a radius of 7 inches

Tags

CCSS.7.G.A.3