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3 years ago

Cuantas unidades mide al lado de pqrs

Mathematics

2 answers:

Kobotan [32]3 years ago

8 0

to ketha ay ayu uhh uh la toca bella

velikii [3]3 years ago

5 0

Answer:

depende que grande o chiquito este

Step-by-step explanation:

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Adivasi 4:367 on edge

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3 years ago

Tonya wraps 2 presents in 3 minutes. At this rate, how many presents with Tonya wrap in 15 minutes?

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10! because 3 to get 15 is 5 and 2×5 is 10

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Gym class of 30 boys and 45 girls is divided into groups each group has the same number of students each group has only boys or

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3 years ago

A bag contains marbles that are all the same size. There are 5 green, 7 blue, 2 red and 6 yellow marbles. A student randomly sel

Kobotan [32]

Answer:

1/4

Step-by-step explanation:

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2 years ago

Both circle A and circle B have a central angle measuring 50°. The area of circle A's sector is 36π cm2, and the area of circle

slega [8]

Answer:

A) 3/4

Step-by-step explanation:

Given: Both circle A and circle B have a central angle measuring 50°.

The area of circle A's sector is 36π cm2.

The area of circle B's sector is 64π cm2.

We know, area of the circle= $\pi r^{2}$

lets assume the radius of circle A be " $r_1$ " and radius of circle B be " $r_2$ "

As given, Area of circle A and B´s sector is 36π and 64π repectively.

Now, writing ratio of area of circle A and B, to find the ratio of radius.

⇒ $\frac{\pi r_1^{2} }{\pi r_2^{2} } = \frac{36\pi }{64\pi }$

Cancelling out the common factor

⇒ $\frac{r_1^{2} }{r_2^{2} } = \frac{36 }{64}$

⇒ $(\frac{r_1 }{r_2} )^{2} = \frac{36 }{64}$

Taking square on both side.

Remember; √a²= a

⇒ $(\frac{r_1 }{r_2} ) =\sqrt{ \frac{36 }{64}}$

⇒ $(\frac{r_1 }{r_2} ) = \frac{6}{8}$

⇒ $\frac{r_1 }{r_2} = \frac{3}{4}$

Hence, ratio of the radius of circle A to the radius of circle B is 3:4 or 3/4.

5 0

3 years ago