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Novay_Z [31]
3 years ago
15

The length of each side of an equilateral triangle is increased by 6 inches, so the perimeter is now 60 inches. What was the ori

ginal length of each side of the equilateral triangle?​
Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0

Answer:

14 inches

Step-by-step explanation:

Using this information, we can form an equation.

Since there are 3 sides in a triangle, and each side increased by 6, that means that the perimeter increased by 18 inches. Down below, I did 3x because there are 3 sides in a triangle.

(This is the equation you'd want to do to get the answer)

3x + 3 * 6 = 60

Simplify:

3x + 18 = 60

Same to both sides

3x = 42

Isolate x:

x = 14

Let me know if you have any questions

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For the rotation - 660°, find the coterminal angle from 0° < 0 < 360°, thequadrant and the reference angle.
guajiro [1.7K]

Given the angle:

-660°

Let's find the coterminal angle from 0≤θ≤360.

To find the coterminal angle, in the interval given, let's keep adding 360 degrees to the angle until we get the angle in the interval,

We have:

Coterminal angle = -660 + 360 = -300 + 360 = 60°

Therefore, the coterminal angle is 60°.

Since 60 degrees is between 0 to 90 degrees, is is quadrant I.

60 degrees lie in Quadrant I.

Also since it is in quadrant I, the reference angle is still 60 degrees.

ANSWER:

The coterminal angle is 60°, which lies in quadrant I, with a reference angle of 60°

3 0
1 year ago
Please help as soon as possible
muminat

Answer:

D, E

Step-by-step explanation:

In the table, r = 3p, and by converse, p = 1/3r. These options are D and E

7 0
3 years ago
Read 2 more answers
Please help me!<br><br> Thank you
fgiga [73]

The required measures of the angle are given as,
∠JKL = 72°      ∠MLK = 108°      ∠JMK = 36°
∠MJL = 54°       ∠KNL = 90°

Given that.
The measure of the rhombus is given, we have to determine the measure of the angles,

<h3>What is angle?</h3>

orientation of one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as angle.

Here,
∠JKL= 2 × ∠JKM  = 72°
∠MLK = 180 - 2 × ∠JKM =  108°
∠JMK = ∠JKM = 36°
∠MJL = ∠MLK/2 =  54°
The diagonal of the rhombus bisect each other at an angle of 90°
So,
∠KNL = 90°

Thus, all the measure of the angles is shown above.

Learn more about Angles here:
brainly.com/question/13954458

#SPJ1

7 0
1 year ago
WILL GIVE BRAINLEST!!!!!
slavikrds [6]

Answer:

D I'm not sure if it is correct but I'm sorry if wrong Good luck!

6 0
2 years ago
Read 2 more answers
Draw hundred boxes, ten sticks, and circles to show a number between 100and 200. What number did you show?
dangina [55]

you can show 199 hope this helps

7 0
3 years ago
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