ML AGGARWAL CLASS 7 Chapter 11 Triangles and its Properties Exercise 11.1

 Exercise 11.1

Question 1

(i) R

(ii)P R

(iii) p

(iv) P Q

Question 2

a)

(i) Isosceles triangle 

(ii) Scalene triangle 

(iii) Equilateral triangle 

(iv)Isosceles triangle

(v)Scalene triangle

(vi) Isosceles triangle 

b) 

(i) Acute angled triangle 

(ii)Right angled triangle

(iii)Acute angled triangle

(iv)Obtuse angled triangle

(v)Obtuse angled triangle

(vi)Right angles triangle

Question 3

(i) $\overline{\mathrm{PM}}$ is Altitude 

(ii) $\overline{P D}$ is Median

Question 4

(diagram to be added)

No

Question 5

(diagram to be added)

Yes

Question 6

(i) (diagram to be added)

(ii)(diagram to be added)

(iii) (diagram to be added)

Question 7

 (diagram to be added)

Both Altitudes and medians co-incide