Lesson Example Discussion Quiz: Class Homework |
Quiz Discussion |
Title: Surface area of 3D shapes(Cube, cuboid, Cone) |
Grade: 4-a Lesson: S3-L1 |
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 |
The radius of a cone is 18 inches and the slant height of a cone is 11 inches. Using the total surface area formula of the cone calculate the surface area of the cone. |
A) 1639.80 sq.in B) 1639.12 sq.in C) 1639.808 sq.in D) 1639.08 sq.in |
Steps 2 |
The length and width of a cuboid with surface area 584.5 sq.feet are 13 feet and 9.5 feet, respectively. Find the height of the cuboid. |
A) 7.5 feet B) 9.5 feet C) 11.5 feet D) 13 feet |
Steps 3 |
The area of one side of a cube is 64 square cm. Find the total surface area of the cube. |
A) 256 sq.cm B) 384 sq.cm C) 512 sq.cm D) 448 sq.cm |
Steps 4 |
Find the total surface area of a cuboid, which is 15 m long, 10 m broad, and 21 m high. |
A) 1503 sq.m B) 1350 sq.m C) 1530 sq.m D) 1305 sq.m |
Steps 5 |
The cone has a base diameter of 13 feet and a height three times the diameter. Find the surface area of the cone.(π = 3.14). |
A) 879.63 sq.feet B) 939.67 sq.feet C) 909.66 sq.feet D) 987.63 sq.feet |
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