Question

plz help me to solve this sum​

Answer 1

Answer:

400m + ( 10* height)

Step-by-step explanation:

1 square area+ 1 triangle area

20*20. + 1/2* base* height

400 m. + 1/2*20* height

+ 10* height

400+ ( 10* height)

( to get the height of triangle = total height- 20 m)

total height is given in the picture PlZ see carefully and apply the way how I have written.

hope my answers will help you ☺️☺️