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A rectangular foto frame has an area of 200 square centimeters.Its lengh is 20 centimeters. a.Find the with of the foto frame b.Find the perimeter of the foto frame

Sagot :

Parrain

Answer:

  • Width = 10cm
  • Perimeter = 60 cm

Step-by-step explanation:

a. Width

We are given the area and the length so we can use this to find the width using the formula for rate:

Length * Width = Area

20 * w = 200

20w = 200

w = 200/20

w = 10 cm

b. Now that you have both the length and the width, the perimeter is:

= (2 * length) + (2 * width)

= (2 * 20) + (2 * 10)

= 40 + 20

= 60 cm

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