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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsโperfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Find the curved surface area of a cone with radius 3 cm and slant height 4 cm.
๐ก Hint: Use the formula C.S.A = ฯrl.
Question 2
Easy
What is the total surface area of a sphere with radius 5 cm?
๐ก Hint: Recall the formula 4ฯrยฒ.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for the total surface area of a cone?
- ฯrl
- ฯr(l + r)
- 4ฯrยฒ
๐ก Hint: Think about the round shape and the flat base.
Question 2
True or False: The volume of a sphere is equal to 4/3ฯrยณ.
- True
- False
๐ก Hint: Remember the fraction involved with the volume.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cone has a height of 12 cm and a radius of 5 cm. Find its volume and total surface area.
๐ก Hint: Use Pythagorean theorem to find the slant height first.
Question 2
If a sphere has a surface area of 400ฯ cmยฒ, what is its radius and volume?
๐ก Hint: Remember how to rearrange the surface area formula to solve for radius.
Challenge and get performance evaluation