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Kamila [148]
2 years ago
9

Uh hey I really need help, thanks.

Mathematics
1 answer:
lana66690 [7]2 years ago
7 0

Answer:

b. it's the same size

Step-by-step explanation:

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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
Solve for p. 2(p + 1) = 16 What is the answer?
Mashutka [201]

Divide both sides by 2

p + 1 = 16/2

Simplify 16/2 to 8

p + 1 = 8

Subtract 1 from both sides

p = 8 - 1

Simplify 8 - 1 to 7

<u>p = 7</u>

4 0
3 years ago
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I really need help with this???
Vadim26 [7]

Answer:

the answer is option A. Because if it is a parallelogram QR must be parallel to TS and QT must be parallel to RS

6 0
3 years ago
HELPppp im confused .
mars1129 [50]

Answer:

2x + 7 + 3 - 2

Step-by-step explanation:

standard form

8 0
3 years ago
What x value sloves the equation . <br> 3x-5=1
djyliett [7]
3x-5=1
+5 +5
3x=6
3 3
X= 2
8 0
3 years ago
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