Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Surface area of 3D shapes(sphere, prism, cylinder) |
Grade: 4-a Lesson: S3-L2 |
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 |
If the radius of a sphere is 16 feet, find its surface area. (Use π = 3.14) |
A) 3215.36 sq.ft B) 3251.36 sq.ft C) 3215.63 sq.ft D) 3251.63 sq.ft |
Steps 2 |
The rectangular prism has a length of 16 meters and a height of 13 meters. Its surface area is 793 square meters. Find the width of the prism. |
A) 8.5 meters B) 6.5 meters C) 95 meters D) 7.5 meters |
Steps 3 |
The radius of a cylinder is 9 inches and the height of the cylinder is 13 inches. Find the surface area of the cylinder. (Take the value of pi as 3.14) |
A) 1234 sq.in B) 1243 sq.in C) 1234.44 sq.in D) 1243.44 sq.in |
Steps 4 |
What will be the surface area of the triangular prism if the base and height of a triangular prism are 10 cm and 18 cm, respectively, along with the height of the equilateral triangular bases being 19 cm? |
A) 705 sq.cm B) 507 sq.cm C) 750 sq.cm D) 570 sq.cm |
Steps 5 |
The height of a cylinder is 12cm and its radius is half that height. Find its surface area. |
A) 656.24 sq.cm B) 684.24 sq.cm C) 678.24 sq.cm D) 692.24 sq.cm |
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