Ncert Solutions For Class 7 Maths Ex 10.5

Ncert Solutions For Class 7 Maths Chapter 10 Ex 10.5

 

Q1:

Construct a right angled Δ ABC, where B = 90o  BC = 8 cm and AC = 10 cm

Solution:

To construct:

A right angled triangle ABC where B = 90o BC = 8cm and AC = 10cm

Construction:

(i) Draw a line segment BC = 8cm

(ii) At point B, draw BP    BC

(iii) taking C as the center, draw an arc of radius 10cm

(iv) this arc cuts BP at point X

(V) join XB

It is the required right angled triangle ABC.

5.1

 

Q2 :

Construct a right angled triangle whose hypotenuse is 6cm long and one of the legs is 4cm long.

Solution:

TO construct:

A right angled triangle ABC where AC = 6cm and BC = 4cm

Construction:

(i) Draw a line segment BC = 4cm

(ii) At point X, draw BX    BC

(iii) Taking C as the center and radius 6cm, draw an arc. (Hypotenuse)

(iv) This arc cuts the BX at point A

(v) Join AC

It is the required right angled triangle ABC.

5.2

 

Q3 :

Construct an isosceles right angled triangle PQR, where PQR = 90o and PR = 6cm.

Solution:

To construct:

An isosceles right triangle PQR where R = 90o, PR = QR = 6cm

Construction:

(i) Draw a line segment PR = 6cm

(ii) At point R, draw XR    RP

(iii) Taking R as the center and radius 6 cm, draw an arc

(iv) This arc cuts RX at point Q

(v) Join QP

It is the required isosceles right angled triangle PQR

5.3

Related Links
Download Class 11 Maths Ncert Solutions Cbse Class 12 Maths Ncert Solutions Free Download
Ncert Solutions For Class 9 Science Physics 10Th Class Ncert Science Solution
11Th Biology Ncert Pdf 12 Bio Ncert
Ncert Physics Class 12 Pdf Ncert Chemistry Class 11 Pdf Free Download Part 1
Chem Ncert Solutions Class 12 Cbse Class 7 Maths Ncert Solutions
Ncert Guide For Class 9 Maths Ncert Grade 10 Maths Solutions