Quiz Discussion

Title: Area of 3D shapes

Grade: 8-a Lesson: S1-L6

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id Problem Options

Steps 1

Find its area if a cube has a side length of 8 units.

A) \$384 sq.units\$

B) \$438 sq.units\$

C) \$348 sq.units\$

D) \$344 sq.units\$

Steps 2

Work out the surface area of this cuboid.

A) \$128sq.mtrs\$

B) \$148 sq.mtrs\$

C) \$115 mtrs\$

D) \$110 sq.mtrs\$

Steps 3

Determine the curved surface area of a cone whose base radius is 8 cm and slant height is 14 cm.

A) \$552.64(cm)^2\$

B) \$550.01(cm)^2\$

C) \$551(cm)^2\$

D) \$552.14(cm)^2\$

Steps 4

Calculate the curved surface area of a sphere having a radius of 2 cm. Use pi = 3.14.

A)\$5.26(cm)^2\$

B) \$52.26(cm)^2\$

C) \$50.26(cm)^2\$

D) \$15.26(cm)^2\$

Steps 5

Find the total surface area of a container in a cylindrical shape whose diameter is 26 cm and height is 18 cm.

A) \$2515(m)^2\$

B) \$2533(cm)^2\$

C) \$2530(cm)^2\$

D) \$2532(cm)^2\$


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