Question

Q.4. Solve the following questions. (2 marks each ) (10 marks )

1. 3 ÷ 5/3

2. In ∆ABC and ∆ PQR , AB = 3.5 cm, BC = 7.1 cm, AC= 5 cm, PQ = 7.1 cm , QR= 5 cm

and PR = 3.5 cm. Draw the figures and examine whether the two triangles are congruent or

not. If yes, write the congruence relation in symbolic form

3. ∆ABC is right- angled at C. If AC= 8 cm and BC = 15 cm, find the length of AB.

4. Write equations for the following statements :

i) Three fourth of x is 9.

ii) Seven times m plus 10 gets you 70.​

Answer 1

Answer:

1=9/5,4=3x/4=9,ii.7m+10=70