Question

how do I solve this ​

Answer 1

Answer:

area of square is = side

$area \: o f \: sqaure \: = side {}^{2}$

= 9×9

=81 sq.cm.

area of triangle = 1/2× base×height

=1/2 ×2.5 ×3

=1.5 ×2.5

= 3.75 square centimeters

total =area of square -area of triangle

=81-3.75

=77.25