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yaroslaw [1]
3 years ago
6

Classify the triangle based on angle measures.

Mathematics
1 answer:
arlik [135]3 years ago
3 0

This is an obtuse triangle because one angle of it is greater than 90 degrees :)

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Find the equation of a circle that has its center at (-4, 3) and has a radius of 5. (x + 4) 2 + (y - 3) 2 = 25
Andreas93 [3]

Answer:

(x+4)^2 + (y-3)^2 = 25

Step-by-step explanation:

You can use the center of a circle to write an equation in vertex form. Vertex form is (x-h)^2+(y-k)^2 = r^2 and the vertex is (h,k). Notice (h,k) are the opposite sign in the equation then as the point.

Here h = -4 and k = 3. Substitute these values and the value r = 5.

(x--4)^2 + (y-3)^2 = 5^2\\(x+4)^2 + (y-3)^2 = 25

3 0
3 years ago
....................answer
Oksana_A [137]

Answer:

d. 2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Pentagon RSTUV is circumscribed about a circle. What is the value of x if RS = 8, ST = 12, TU = 15, UV = 9, and VR = 12?
ivanzaharov [21]

Answer:

The value of x is 7 ⇒ 1st answer

Step-by-step explanation:

* Lets revise a fact in the circle

- The two tangents drawn from a point out side the circle are equal

∵ RSTUV is circumscribed about a circle

∴ Each side of the pentagon is a tangent to the circle

- Look to the attached figure to know how we will solve the problem

- Each tangent divided into two parts

# RS = x + y

∵ RS = 8

∴ x + y = 8 ⇒ (1)

# RV = x + n

∵ RV = 12

∴ x + n = 12 ⇒ (2)

- Subtract (2) from (1)

∴ y - n = -4 ⇒ (3)

# ST = y + z

∵ ST = 12

∴ y + z = 12 ⇒ (4)

# TU = z + m

∵ TU = 15

∴ z + m = 15 ⇒ (5)

- Subtract (5) from (4)

∴ y - m = -3 ⇒ (6)

# UV = m + n

∵ UV = 9

∴ m + n = 9 ⇒ (7)

- Add (6) and (7)

∴ y + n = 6 ⇒ (8)

- Lets solve equation (3) and equation (8) to find y

∵ y - n = -4 ⇒ (3)

∵ y + n = 6 ⇒ (8)

- Add (3) and (8)

∴ 2y = 2 ⇒ divide two sises by 2

∴ y = 1

- Lets substitute the value of y in equation (1)

∵ x + y = 8 ⇒ (1)

∵ y = 1

∴ x + 1 = 8 ⇒ subtract (1) from both sides

∴ x = 7

* The value of x is 7

3 0
3 years ago
If quadrilateral ACEG quadrilateral NMRP, then which of the following is true?
geniusboy [140]
<span>If quadrilateral ACEG is equivalent to quadrilateral NMRP

then
AC = NM
CE = MR
EG = RP
AG = NP

Answer
</span>AG = NP
4 0
3 years ago
82 = 4x + 14 <br> solve for x
34kurt

Answer:

17

Step-by-step explanation:

82=4x+14

If you subtract 14 from both sides:

4x=68

Divide both sides by 4:

x=17

Hope this helps!

6 0
3 years ago
Read 2 more answers
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