Question

The perimeter of a rectangle is 42 cm. It's
sides are 16cm,5cm, and 16cm. Find the fourth
side of the rectangle?*​

Answer 1

QUESTION:- The perimeter of a rectangle is 42 cm. It's

sides are 16cm,5cm, and 16cm. Find the fourth

side of the rectangle?*

ANSWER:- WE KNOW IN RECTANGLE OPPOSITE SIDES ARE EQUAL

SO , 16 cm = 16 cm and 5 cm = 5 cm

FOURTH SIDE = 5 CM

and long method is this ↓

16+5+16+x= 42 cm

37+x=42 cm

x=42-37 = 5 cm

HOPE IT HELPS

MARK BRAINLIEST PLS

Answer 2

Step-by-step explanation:

$perimeter \: of \: rectangle \: = \: 2(l + b) \\ 42 \: = 2(l + b) \\ 42 = 2 \times 16 + 5 + x \\ 42 = 37 + x \\ x = 42 - 37 \\ x = 5 \\ so \: the \: fourth \: side \: is \: 5 \:$

ANS = 5