A rectangular garden is 28 feet long. If you walk diagonally across the garden, you would walk 35 feet. How many feet wide is th
e garden?
2 answers:
21, I used Pythagorean Therom: a^2 + b^2 = c^2
a=28 b=? c=35
25^2 + b^2 = 35^2
Evaluate exponents
784 + b^2 =1225
-<u>784</u> -<u>784
</u>
b^2=441
Take square root of both sides.
b=21
This is a great place to apply the Pyth. Theorem. Let the width be W.
Then W^2 + 28^2 = 35^2.
Solving this, we get W^2 = 441. Taking the positive square root, we get
W = 21 ft
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