quizzz
A rectangle has sides which differ in length by 3 cm. If the area of the rectangle is 154 cm, find its perimeter.
# Have a great time doing it
# Keep spirit
# correct answer !!!
# don't look at the rank
A rectangle has sides which differ in length by 3 cm. If the area of the rectangle is 154 cm, find its perimeter.
# Have a great time doing it
# Keep spirit
# correct answer !!!
# don't look at the rank
Jawaban:
⇒ Step 1:
Find another length by dividing the area of rectangle with its wide
∴ 154/3 = 51.33
⇅ The length of rectangle is 51.33 cm
Use rectangle perimeter formula:
∴ 2 (length + wide)
∴ 2 (51.33 + 3)
∴ 2 (54.33)
= 108.6
So the perimeter of rectangle is 108.6 cm
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Mapel: Bahasa Inggris dan Matematika
Kelas: SMP
Kode: 12.39-09/05/2022