Chapter 14 : Constructions of Triangles - Frank Solutions for Class 9 Maths ICSE

Mathematics in ICSE Class 9 is one of the most challenging and trickiest subjects of all. It includes complex topics such as logarithms, expansions, indices and Pythagoras Theorem which are difficult to understand for an average student. TopperLearning provides study materials for ICSE Class 9 Mathematics to make the subject easy and help students to clear all their concepts. Our study materials comprise numerous video lessons, question banks, revision notes and sample papers which help achieve success in the examination.

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Chapter 14 - Constructions of Triangles Excercise Ex. 14.1

Question 1
Solution 1
Question 2
Solution 2
Question 3
Solution 3
Question 4

Construct a right-angled triangle in which:

Side AB = 4.5 cm and hypotenuse AC = 7 cm

Solution 4

  

 

Question 5

Construct a right-angled triangle in which

Side DE = 6 cm and E = 30°, D = 90°

Solution 5

 

Question 6

Construct a right-angled triangle in which:

QP = QR and hypotenuse PR = 7 cm

Solution 6

 

 

Question 7

Construct an isosceles triangle in which:

AB = AC, BC = 6 cm and B = 75°

Solution 7

  

 

Question 8

Construct an isosceles triangle in which:

XY = XZ, YZ = 5.5 cm and X = 60°

Solution 8

  

 

Question 9

Construct an isosceles triangle in which:

PQ = QR, PR = 4.5 cm and R = 60°

Solution 9

 

Question 10

Construct an isosceles triangle in which:

Base BC = 6.4 cm and side AB = 7.2 cm

Solution 10

  

 

Question 11

Construct an isosceles triangle in which:

Base QR = 5.2 cm and the altitude PM = 4.8 cm

Solution 11

  

 

Question 12

Construct an isosceles triangle in which:

Base DE = 6 cm and F = 45°

Solution 12

  

 

Question 13
Solution 13
Question 14

Construct an isosceles right-angled triangle whose hypotenuse is of length 6 cm.

Solution 14

  

 

Question 15

Solution 15

Question 16

Solution 16

Question 17

Solution 17

Question 18

Solution 18

Question 19
Solution 19
Question 20

Construct a triangle PQR with PQ = 5.4 cm, QR = 4.6 cm and Q = 60°. Draw the perpendicular PS at QR, measure the lengths of SP and SQ,

Solution 20

 

  

 

Question 21
Solution 21
Question 22

Solution 22

Question 23

Solution 23

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