Question

plz help me guys.with q. no 10​

Answer 1

Answer:

first 2*3 +1 and then do the way you do normaly

Answer 2

Answer:

Let the remaining sides of an isoscles triangle be x cm.

according to your question,

x + x + 7/2cm = 12 cm

or 2x + 2x + 7 = 12 cm

2

cross multiplication gives 2x+2x+7 =24cm

or 4x = 24 - 7

or 4x = 11

or x = 11/4

x = 3 whole 2/4