Eliana is using a magnifying glass. The lens of the magnifying glass has a radius of 4 centimeters. What is the lens’s area? Use 3.14 for ​p

Question

Eliana is using a magnifying glass. The lens of the magnifying glass has a radius of 4 centimeters. What is the lens’s area? Use 3.14 for ​pi.

in progress 0
Thanh Hà 6 months 2021-07-28T03:06:56+00:00 1 Answers 12 views 0

Answers ( )

  1. ngochoa
    0
    2021-07-28T03:08:50+00:00
    Reply

    Answer:

    area = \pi {r}^{2} \\ = 3.14 \times {(4)}^{2} \\ = 50.24 \: {cm}^{2}

Leave an answer

Browse

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