b) Two sides of a triangle is 6 cm & 5 cm. The perimeter of the triangle is 20 cm. What is its third side? About the author Quinn
Step-by-step explanation: let the third side be x perimeter of triangle = sum of all sides 20cm = 6cm+5cm+ x 20cm=11cm+x 20-11cm= x x= 9 mark as brainliest.. Reply
Step-by-step explanation:
let the third side be x
perimeter of triangle = sum of all sides
20cm = 6cm+5cm+ x
20cm=11cm+x
20-11cm= x
x= 9
mark as brainliest..