What is the area, in square feet, of the shape below? 8.6 ft: 8.7 ft
1 answer:
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Answer:
given - a rectangle ABCD
AB = 40
AC. = 90
BC = ?
in triangle ABC
using Pythagoras theorem
(AB) ² + (BC) ² = (AC) ²
(40)² + (BC) ² = (90)²
(BC) ² = (90)²- (40)²
(BC) ² = 8100 - 1600
(BC) ² = 6500
BC =
The answer is 
To figure this out, convert both numbers to fractions. 1.03 = 1
and (-10.3) = -10
. Now, convert to improper fractions.
1![\frac{3}{100} = [tex] \frac{103}{100}](https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B100%7D%20%20%3D%20%5Btex%5D%20%5Cfrac%7B103%7D%7B100%7D%20)
-10 = 
Now, divide. Dividing fractions is the same as multiplying by the reciporical. So:
To figure this out, convert both numbers to fractions. 1.03 = 1
1
-10
Now, divide. Dividing fractions is the same as multiplying by the reciporical. So: