Question

0.1) On a table there are 29 sheets of a plywood. Some are in triangular shape and some are in square shape. The sum of their angles is 100. Find out how many square shaped sheets are there on the table ?​

Answer 1

Answer:

let's

the no. triangle shaped sheet be x

and square shaped be x

now, x+y =29

so,no. of angles be,3x+4y=100

substituting both-

x+y=29

3x+4y=100

3x+3y=87

3x+4y=100

4y-3y=13

y=13

x=16