Mensuration: Area And Perimeter: Practice 2

Practise focused skills from Mensuration: Area and Perimeter

MathematicsGrade 9Mixed10 questions20 min

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Focus question style

Section A: Core Practice · 5 questionsSection B: Application Practice · 5 questions

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Section A: Core Practice

Build the core ideas for this part of the chapter.

Choose the best answer for each question.

Question 1

MediumQuestion

Which angle is acute?

Topic: Area of Basic Shapes · Skill: Compute area of parallelograms

Question 2

MediumQuestion

Which angle is acute?

Topic: Area of Basic Shapes · Skill: Compute area of triangles using base and height

Question 3

AdvancedQuestion

Which angle is acute?

Topic: Area Reasoning · Skill: Explain why a median divides a triangle into equal areas

Question 4

AdvancedQuestion

Which angle is acute?

Topic: Heron Formula · Skill: Use Heron’s formula to find triangle area

Question 5

AdvancedQuestion

Using Heron’s formula, what is the semi-perimeter of a triangle with sides $5\,cm$ , $6\,cm$ , and $7\,cm$ ?

Topic: Heron Formula · Skill: Check when Heron’s formula can be applied

What this assignment covers

Progressive Grade 9 Math practice for Area of Basic Shapes to Historical Area Ideas.

Skills and sections

Compute area of parallelograms, Compute area of triangles using base and height, Explain why a median divides a triangle into equal areas, Use Heron’s formula to find triangle area, Check when Heron’s formula can be applied

Section A: Core Practice: 5 questions
Section B: Application Practice: 5 questions