10. A rectangle has a perimeter of 22 cm. If the length of the rectangle is 2 cm more than two times the width, what are its dimension

Question

10. A rectangle has a perimeter of 22 cm. If the length of the rectangle is 2 cm more than two times the
width, what are its dimensions?

in progress 0
Thiên Ân 4 years 2021-08-21T15:02:39+00:00 1 Answers 15 views 0

Answers ( )

  1. thienthi
    0
    2021-08-21T15:04:15+00:00
    Reply

    Answer:

    w = 3 cm

    l = 8 cm

    Step-by-step explanation:

    let ‘w’ = width

    let ‘2 + 2w’ = length

    P = 2l + 2w

    22 = 2(2 + 2w) + 2w

    22 = 4 + 4w + 2w

    22 = 4 = 6w

    18 = 6w

    w = 3

    length = 2 + 2(3) = 18

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )