30.
A = l×w
= 12 × 20
= 240cm²
31.
= 4 × 12
= 48cm²
32.
A = whole area - cutout area
= 240 - 48
= 192cm²
33.
= 12 × 16
34.
= 6 × 6
= 36cm²
35.
= 192 - 36
= 165cm²
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
30.
A = l×w
= 12 × 20
= 240cm²
31.
A = l×w
= 4 × 12
= 48cm²
32.
A = whole area - cutout area
= 240 - 48
= 192cm²
33.
A = l×w
= 12 × 16
= 192cm²
34.
A = l×w
= 6 × 6
= 36cm²
35.
A = whole area - cutout area
= 192 - 36
= 165cm²