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Phantasy [73]
3 years ago
13

The Drombeg stone circle is a collection of megaliths (large prehistoric stones) located in Glandore, Ireland, that was used bet

ween 1100 BCE and 800 BCE.
The Drombeg stone circle measures approximately `31` ft across. Which of the following would be a reasonable approximation of its circumference?



A: 15.5
B: 49
C: 90
D: 97
E: 31π
Mathematics
2 answers:
anastassius [24]3 years ago
6 0
This answer to you’re question should be A. 15.5
disa [49]3 years ago
4 0

Answer:

A

Step-by-step explanation:

A is the reasonable answer

You might be interested in
Is 19 equal to 4.358
AURORKA [14]

Answer:

No

Step-by-step explanation:

19=19 and 4.358=4.358

7 0
2 years ago
I will give BRAINLIEST! HELP PLEASE.!!!<br><br> 2. Find each measure. <br> m&lt;1 m&lt;2 m&lt;3
fredd [130]
<h3>Answer: Choice B</h3>

Angle 1 = 147 degrees

Angle 2 = 80 degrees

Angle 3 = 148 degrees

======================================================

Work Shown:

(angle 1) + 33 = 180

angle 1 = 180-33

angle 1 = 147 degrees

---------------

Focus on the left most triangle that has angles 33 and 47 as interior angles. The missing angle is 180-33-47 = 100 degrees

The angle exterior to this 100 degree angle is angle 2

angle 2 = 180-100 = 80

We have enough info to conclude the answer must be choice B.

---------------

Let's keep going to find angle 3

The vertical angle for the 100 degree angle is also 100 degrees. This second 100 degree angle is part of the triangle on the right

This triangle on the right has interior angles 100 and 48

The missing interior angle is 180-100-48 = 32

The angle supplementary to this is 180-32 = 148, which is angle 3.

5 0
3 years ago
Devon will drive 7×3 or 21 miles in 7 hours. Logan will drive 7×3 or 21miles in 7 hours so logan will drive _ or how many miles
natulia [17]

Answer: I believe you answered your own question 21.

Step-by-step explanation: Logan will drive 7×3 or 21miles in 7 hours

8 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 60. Find x.
lbvjy [14]

Answer:

Perimeter of a triangle = add all sides

Both the legs of the isosceles triangle are always EQUAL.

x+4x-6+4x-6 = 60

9x-12 = 60

9x = 60+12

9x = 72

x = 8

3 0
2 years ago
What is the value of x?<br><br> Enter your answer in the box.<br><br> x =
Dmitry_Shevchenko [17]
Answer: x = 20

We know opposite angles are equivalent so we can set both of these expressions equal to each other to solve for x.

3x + 50 = 6x - 10
50 = 3x - 10 (subtract 3x from both sides)
60 = 3x (add 10 to both sides)
20 = x (divide both sides by 3)

8 0
3 years ago
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