3 years ago

The perimeter of a rectangle is 32 inches. The length is 1 foot, what is the width of the rectangle in inches?

Mathematics

1 answer:

astra-53 [7]3 years ago

5 0

Answer:

Step-by-step explanation:

32 - 2 = 30

30 / 2 = 15

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docker41 [41]

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Option D is correct

3 0

2 years ago

TanA+tanB+tanAtanB=1 If A+B=45 degree

djyliett [7]

Answer:

See below

Step-by-step explanation:

$\tan A+\tan B + \tan A.\tan B = 1\\\\ \implies \: \tan A + \tan B = 1 - \tan A.\tan B \\ \\ \implies \: \frac{\tan A + \tan B}{ 1 - \tan A.\tan B } = 1\\ \\ \implies \: \tan (A + B) = 1 \\ \\ \implies \: \tan (A + B) =\tan 45 \degree \\ \\ \implies \: A + B = 45 \degree \\ \\ thus \: proved$