Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Surface area of 3D shapes(sphere, prism, cylinder) |
Grade: 4-a Lesson: S3-L2 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts. |
Quiz: in Class
| Problem Id | Problem | Options |
|---|---|---|
1 |
Find the surface area of a sphere if its diameter is given as 8.5 units.(pi = 3.14) |
A) 226.89 sq.units B) 226.83 sq.units C) 226.98 sq.units D) 226.38 sq.units |
2 |
What is the surface area of the triangular prism if the base and height of a triangular prism are 8.5 in and 13 in, respectively, along with the height of the equilateral triangular bases being 21 in? |
A) 466 sq.in B) 646 sq.in C) 460 sq.in D) 664 sq.in |
3 |
The radius of a cylinder is 7 yards, and the height of the cylinder is 12 yards. Find the area of the cylinder. (Take the value of pi as 3.14) |
A) 853.24 sq.yards B) 835.42 sq.yards C) 853.42 sq.yards D) 835.24 sq.yards |
4 |
A plane passes through the center of a sphere and forms a circle with a diameter of 12 feet. What is the surface area of the sphere? |
A) 425.16 sq.ft B) 452.61 sq.ft C) 425.61 sq.ft D) 452.16 sq.ft |
5 |
Samuel has a cylinder with a total Surface area of 645π square cm. Find the height of the cylinder if the radius of the base of the circle is 8 cm. |
A) 32.31 cm B) 32 cm C) 32.13 cm D) 32.33 cm |
6 |
The radius of the sphere is 12 cm, find the surface area of the sphere. |
A) 1824.64 cm B) 1889.64 cm C) 1808.64 cm D) 1854.64 cm |
7 |
A rectangular prism with length, width, and height of 5 feet, 3 feet, and 6 feet respectively. Find its surface area. |
A) 126 sq.feet B) 228 sq.feet C) 146 sq.feet D) 184 sq.feet |
8 |
The rectangular prism has a height of 11 meters, and a length double the width. Its surface area is 484 square meters. Find the length of the prism. |
A) 11 meters B) 10 meters C) 12 meters D) 9 meters |
9 |
The cylinder has a surface area of 954.56 sq meters and a height of 11 meters. Find its radius. |
A) 11 meters B) 8 meters C) 10 meters D) 14 meters |
10 |
The total area of a cylinder with a height of 10 feet is 747.32 square feet. Find the circular area. |
A) 389.72 sq.feet B) 307.72 sq.feet C) 366.72 sq.feet D) 300.72 sq.feet |
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