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navik [9.2K]
3 years ago
10

gn="absmiddle" class="latex-formula">
what is the square root​
Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

7i

Step-by-step explanation:

\sqrt{-48} \\=\sqrt{-1}*\sqrt{48}  \\=i*7\\=7i

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The diagonal of the rectangle is 15 cm and one of its sides is 9 cm. find the area of the rectangle.
Tems11 [23]

The area of the rectangle is 108 square centimeters.

Given Information

The following information has been given in the question,

Length of the diagonal of the rectangle, l = 15 cm

Length of one of the sides of the rectangle, a = 9 cm

Let the other side of the rectangle be b.

Finding the Other Side of the Rectangle

According to Pythagoras Theorem,

(hypotenuse)² = (base)² + (perpendicular)²

Applying this theorem in the right-angle triangle formed by the diagonal and 9cm side of the rectangle, we get,

l² = a² + b²  [∵ The diagonal makes the hypotenuse]

(15)² = (9)² + b²

b² = (15)² - (9)²

b² = 225 - 81

b² = 144

b = √144

b = 12 cm

Calculating the Area of the Rectangle

Area of the rectangle, A = a × b

A = 9 × 12

A = 108 cm²

Learn more on a rectangle here:

brainly.com/question/15019502

#SPJ4

5 0
1 year ago
What is 1+1 . i apparently have to write 20 characters so here they are
Liula [17]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
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Which stands for 250 feet below sea level?
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-250 feet, because you are 250 feet below sea level.
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Is 51x51 is even or odd
AURORKA [14]
You can predict that it's odd because the end of the 2 numbers is 1 and 1 x 1 is 1 and one is an odd number. (answer is odd)
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3 years ago
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Why is 5/3 greater than 5/8
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Since 5/3 is an inproper fraction it then becomes 1 2/3 and if you put both of the fractions into a common denominator you get 1 16/24>15/24
Please give me a thanks if you feels it is the right answer
7 0
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