Practice Area of a Triangle - 9 | 1. Properties of Triangles | (IB) Class 10 Mathematics – Group 5, Geometry & Trigonometry
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9 - Area of a Triangle

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the area of a triangle with a base of 6 units and a height of 4 units?

💡 Hint: Remember the basic area formula: (1/2) × base × height.

Question 2

Easy

Calculate the area of a triangle with base = 8 units and height = 3 units.

💡 Hint: Plug the values into the area formula.

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 area of a triangle when the base and height are known?

  • Area = base × height
  • Area = (1/2) × base × height
  • Area = (1/2) × height × height

💡 Hint: Think about how the area of a rectangle is calculated.

Question 2

True or False: Heron's formula can be used when we only know the lengths of the sides of the triangle.

  • True
  • False

💡 Hint: Recall the conditions for using Heron's formula.

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Challenge Problems

Push your limits with challenges.

Question 1

A scalene triangle has sides of lengths 9, 12, and 17. Calculate its area using Heron's formula.

💡 Hint: Make sure to calculate s precisely before plugging into Heron’s formula.

Question 2

Find the area of a triangle with sides of lengths 6, 10, and 12, using the Law of Cosines to find one angle first and then using the trigonometric formula.

💡 Hint: First calculate the angle before you apply the area formula.

Challenge and get performance evaluation