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makkiz [27]
3 years ago
11

The vertices of two rectangles are A(−5,−1),B(−1,−1),C(−1,−4),D(−5,−4) and W(1,6),X(7,6),Y(7,−2),Z(1,−2). Compare the perimeters

and the areas of the rectangles. Are the rectangles similar? Explain.

Mathematics
1 answer:
valkas [14]3 years ago
4 0
The two rectangles are not similar. actually WXYZ is not a rectangle at all. it is a polygon but not a rectangle. hope the visual helps.. 

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X^2+1=0<br> What are the roots of this equation?<br> Thanks!
Hitman42 [59]
X² + 1 = 0

=> (x+1)² - 2x = 0

=> x+1 = √(2x)

or x - √(2x) + 1 = 0

Now take y=√x

So, the equation changes to

y² - y√2 + 1 = 0

By quadratic formula, we get:-

y = [√2 ± √(2–4)]/2

or √x = (√2 ± i√2)/2 or (1 ± i)/√2 [by cancelling the √2 in numerator and denominator and ‘i' is a imaginary number with value √(-1)]

or x = [(1 ± i)²]/2

So roots are [(1+i)²]/2 and [(1 - i)²]/2

Thus we got two roots but in complex plane. If you put this values in the formula for formation of quadratic equation, that is x²+(a+b)x - ab where a and b are roots of the equation, you will get the equation

x² + 1 = 0 back again
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5 0
3 years ago
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frozen [14]

Answer:

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Step-by-step explanation:

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y = x² + 6x + 3

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Answer:

(a) $60

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6t + 3t = 540

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4 0
2 years ago
It’s geometry, help plz
m_a_m_a [10]

Answer:

i think its 18(DONT TRUST ME)

Step-by-step explanatioN:

6 x 3                

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