The perimeter of a rectangular field is 340 yards. The length is 90 yd longer than the width. Find the dimensions.

length= 100 width=70

Step-by-step explanation:

The perimeter of a rectangular field is 340 yds.  

The length is 30 yds longer than the width.  

2(l + w) = 340

l + w = 170

w + 30 + w = 170

2w = 140

w = 70

Hence the dimensions:

Length: 100 yds.

Width: 70 yds.

b. 24 mm

step-by-step explanation:

use the pythagorean theorem.

a^2 + b^2 = c^2

a^2 + 7^2 = 25^2

a^2 + 49 = 625

a^2 = 576

a = 24

answer: b. 24 mm

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