Question

18 The sides of an isosceles triangle are measured correct to the nearest millimetre.

One side has a length of 8.2 cm and another has a length of 9.4 cm.
Find the largest possible value of the perimeter of this triangle.​

Answer 1

Explanation:

largest perimeter=9.4+9.4+8.2=27.0 cm

or it can be one side=82.4 mm

other sides =94.4 mm

largest perimeter=94.4+94.4+82.4=271.2 mm=27.12 cm