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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Area of 3D shapes

Grade: 1300-a Lesson: S3-L6

Explanation: Hello students, we have already learned about the concept and the example. Now it’s time to discuss the problem-solving in quiz-discussion.

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. $2$	A) \$128sq.mtrs\$ B) \$148 sq.mtrs\$ C) \$115 mtrs\$ D) \$110 sq.mtrs\$
Steps 3	Determine the total 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\$ sq.units B) \$52.26\$ sq.units C) \$50.26\$ sq.units D) \$15.26\$ sq.units
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\$ sq.cm B) \$2533\$ sq.cm C) \$2530\$ sq.cm D) \$2532\$ sq.cm

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.

$2$