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melamori03 [73]
2 years ago
5

Which of these triangles are right triangles?

Mathematics
2 answers:
kvasek [131]2 years ago
7 0
The answers are b,c,d because it has a sharp corner and it is not an acute triangle it is a right and it is exactly 90 degrees
Vlad [161]2 years ago
6 0

Answer:

the right triangles are B,C,D

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Solve the equation show you work and check. Your answer 4y+5=31
taurus [48]
31-5=26
26/4=6.5
Y=6.5

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2 years ago
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What are co primes and primes Hrishiiiii pls help me​
Anon25 [30]

Answer:

SEE BELOW

Step-by-step explanation:

Coprime numbers:

A Co-prime number is a set of numbers or integers which have only 1 as their common factor.

For eg: (2,3), (11,12), (99,100) and so on; they have 1 as their HCF. The sum of any two coprime numbers is always coprime with the product of the same two coprime numbers. For eg: The sum of 2 and 3 is 5 and the product of 2 and 3 is 6. Hence, 5 and 6 are coprime numbers.

Prime number

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3 years ago
What is 8 - 4x = 20 !!!
guapka [62]

Answer:

x = -3

Step-by-step explanation:

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2 years ago
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Circle A has center of (2, 8), and a radius of 2 and circle B has a center of (5, 4), and a radius of 10. What steps will help s
Viktor [21]

Answer:

1. Translate circle A using the rule (x − 3, y + 4).

4. Dilate circle A by a scale factor of 5

Step-by-step explanation:

we know that

All circles are similar figures

step 1

Translate the center of circle A to the center of circle B

we have

A(2,8) -----> B(5,4)

so

The rule of the translation is

(x,y) ----> (x+a,y+b)

(2,8) ----> (2+a,8+b)

2+a=5 ----> a=5-2=3

8+b=4 ---> b=4-8=-4

therefore

The rule of the translation is

(x,y) ----> (x+3,y-4)

step 2

Divide the radius of circle B to the radius of circle A to find out the scale factor

10/2=5

so

Multiply the radius of circle A by the scale factor to obtain the radius of circle B

therefore

Dilate circle A by a scale factor of 5

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3 years ago
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UkoKoshka [18]

Answer:

D. 116

Step-by-step explanation:

V=(\frac{1}{3})\pi r^{2}h

V = (1/3)π(4)²(6.9)

V = 36.8π

V ≈ 115.55

<em>Note: You will NEVER use slant height to calculate the area, only to calculate the normal height if unknown. In this problem, we did not use it at all so try not to get confused!</em>

<em />

<h2>BRAINLIEST please if this helped!</h2>

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