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2 years ago

The two opposite vertices of a square are (-2,2) and (1,-1). What are the other two vertices of the square?

Mathematics

1 answer:

tekilochka [14]2 years ago

5 0

The other too must be 3,3 (x,y)

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Please please help!! I'm not sure if I have the right answer!!

lana [24]

Answer: The area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

Step-by-step explanation:

Let r be the radius of the circle having the center O,

⇒ The area of the circle = $\pi r^2$ square unit.

And, the central angle AOB = $\frac{5\pi}{4}\text{ radian}$

$=(\frac{5\pi}{4}\times \frac{180}{\pi})^{\circ}$ ( since, $\pi$ = 180° )

$=(\frac{900}{4})^{\circ}$

$=225^{\circ}$

Hence, the area of sector AOB

$=\frac{225^{\circ}}{360^{\circ}}\times \pi r^2$

$=\frac{5}{8}\times \pi r^2$ square unit.

Now,

$\frac{\text{Area of sector AOB}}{\text{Area of circle}}=\frac{\frac{5}{8}\times \pi r^2}{\pi r^2}$

$=\frac{5}{8}$

⇒ Area of sector AOB = 5/8 × Area of the circle.

Hence, the area of the sector formed by central angle AOB is 5/8 th of the total area of the circle.

6 0

3 years ago

Read 2 more answers

Please help me it will be very much appreciated

AveGali [126]

Answer:

ΔABC ≅ ΔFED

Explanation:

Look at the alignment and position of the letters.

A = F

B = E

C = D

Properly align the letters in order to their corresponding position.

ΔA ≅ ΔF

ΔAB ≅ ΔFE

ΔABC ≅ ΔFED

8 0

2 years ago

The sum of 2/3m and 1/5

riadik2000 [5.3K]

13/15

Hope this helps

7 0

3 years ago

What is 17.4% of 8350

rusak2 [61]

Answer:

Step-by-step explanation:

17.4% of 8350 equals 1452.9 or 14529/10

Hope this helps! <3

3 0

2 years ago

Can someone help me with this question

OLga [1]

Answer:

I believe it is because it does not start at 0

3 0

2 years ago