Question

In a square RENT , if RE=3y-7 and EN= y+3, find TR( Lengths are in cm).​

Answer 1

Answer:

8cm

Step by step explanation:

RE=3y-7

EN= y+3

Since RENT is a square,

therefore,

3y-7 = y+3

or, 3y-7 = y+3

or, 3y - y = 7 + 3

or, 2y = 10

or, y= 5

:. y+3 = 5+3= 8cm

Answer 2

Answer:

8cm

Step-by-step explanation:

3y-7  = y+3 (both sides are equal)

3y      = y+3+7

3y      = y+10

3y-y   = 10

2y      = 10

y = 5

EN=5+3= 8cm

RE = 3*5-7 = 8cm

Note: all sides of square is equal

∴ TR = 8 cm