Question

please tell the answer of these three question​

Answer 1

the perimiter = 3+4+5=12cm^2

2nd one: 100sq.cm

360 degree. Make me as brainliest.

Answer 2

Step-by-step explanation:

1. we know

formula for perimeter of triangle is a+b+c

=3cm+4cm+5cm

= 12cm

2. 1sq m= 100 sq cm

3. sum of all angles of quadrilateral is 360 degree

hope it helps you