Question

please find perimeter of two​

Answer 1

Answer:

perimeter of triangle = sum of all side

8+10+12

30 cm

area of rectangle =2(l+b)

2* (7+2)

2*9

14 cm

Answer 2

Answer:

2. 12cm + 8cm + 10cm = 30cm

3. 2cm + 2cm + 7cm + 7cm = 18cm

Step-by-step explanation:

for perimeters just add the length of all the sides... and for the perimeter of rectangle you can easily add the length of the two different sides and multiply it with 2... { 2 ( l + b ) }

hope it'll help you...

happy learning...