Mensuration: Area And Perimeter: Practice 3

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

A cyclic quadrilateral has one angle equal to $70^\circ$ . What is the measure of its opposite angle?

Topic: Circle Area · Skill: Explain the area formula for a circle using rearrangement

Question 2

MediumQuestion

In a circle, a perpendicular from the centre to a chord meets the chord at $M$ . What must be true about the chord?

Topic: Circle Area · Skill: Calculate area of a circle

Question 3

AdvancedQuestion

If two chords of a circle are equidistant from the centre, what can be concluded?

Topic: Sectors and Segments · Skill: Calculate area of a sector

Question 4

AdvancedQuestion

What is the diameter of a circle whose radius is $7\,cm$ ?

Topic: Sectors and Segments · Skill: Calculate area of a segment for simple cases

Question 5

AdvancedQuestion

Which method is most appropriate for checking a mathematical answer?

Topic: Brahmagupta Formula · Skill: State Brahmagupta’s formula for cyclic quadrilaterals

What this assignment covers

Progressive Grade 9 Math practice for Circle Area to Formula Connections.

Skills and sections

Explain the area formula for a circle using rearrangement, Calculate area of a circle, Calculate area of a sector, Calculate area of a segment for simple cases, State Brahmagupta’s formula for cyclic quadrilaterals

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