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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the semi-perimeter of a triangle with sides 10 cm, 5 cm, and 6 cm.
💡 Hint: Remember to sum the sides and divide by 2.
Question 2
Easy
What is the area of an equilateral triangle with each side 6 cm?
💡 Hint: First find the semi-perimeter.
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 Heron's formula used for?
💡 Hint: Think about what unknowns you have when dealing with a triangle.
Question 2
True or False: The semi-perimeter is equal to the perimeter divided by 2.
- True
- False
💡 Hint: Consider how semis relate to full values.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A triangle has sides of lengths 15 m, 20 m, and 25 m. Use Heron's formula to find the area. Then verify if it is a right-angled triangle.
💡 Hint: Calculate the semi-perimeter first.
Question 2
Given a triangle with sides 8 cm, 15 cm, and x cm. If the perimeter is 38 cm, find the value of x and the area of the triangle.
💡 Hint: Remember to calculate the semi-perimeter.
Challenge and get performance evaluation