Question

COMPUTERD

Answer 1

@nnesha

Answer 2

let DR = x
CR = 3
Let area of COMPUTED = y

we have
1/2 * 3 * x + y = 6
1/2 * 3* x = y

Answer 3

solving that system by substitution
1/2* 3x + 1/2 * 3x = 6
3x = 6
x = 2

Answer 4

\(A_{computer} = 6\)
\(A_{CDR} = 6\)
CR = 3
\(A_{CDR} = \large \frac{[CR]h}{2}=6 \)