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4 years ago

When was pi discovered

2 answers:

8 0

Pi was discovered way back already the way to Babylonians and Egyptians 216 BC but none were all the way accurate they were close

Scilla [17]3 years ago

3 0

Answer:

As early as 1900 BC, geometers from ancient civilizations such as Babylon, India, and Egypt, are already aware of one fundamental property of the circle: that a circle’s circumference is always a little over three times that of its diameter. A more precise value was not available however as each of the civilizations computed pi only within 1% of its actual value.

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in ABC the measure of angle A is 2x+3 the measure of angle B is 4x+2 the measure of angle C is 2x-1 what are the measures of the

Virty [35]

IN A triangle, sum of all angles = 180 degrees

2x + 3 + 4x+2 + 2x -1 = 180

8x +4 = 180

8x = 176

x = 176 /8 = 22 degrees

the angles are A = 2(22)+3 = 44+3 = 47 DEGREES

B = 4(22)+2 = 88 + 2 = 90 DEGREES

C = 2(22) -1 44-1 = 43 DEGREES

7 0

3 years ago

Read 2 more answers

The perimeter of a scalene triangle is 14.5 cm. The longest side is twice that of the shortest side. Which equation can be used

prohojiy [21]

Answer:

Step-by-step explanation:

If the longest side is 6.2 cm, and it is twice the length of the shortest, then we can write an equation as 2x=6.2, where x is the short side length.

Then, since a triangle has 3 sides, the medium side length is 14.5-6.2-x.

Hope that helped,

-sirswagger21

4 0

3 years ago

What number has the same value as 40 tens

MariettaO [177]

Answer: 400 because 40 multiplied by ten equals 400 hundred, so basically it's just 40 multiplied by 10.

6 0

3 years ago

CD is a perpendicular bisector of chord AB and a chord through CD passes through the center of a circle. Find the diameter of th

Keith_Richards [23]

Answer:

$12\frac{1}{5}$ in

Step-by-step explanation:

I don't know if you got this pic but this is the answer for this pic

5 0

2 years ago

A line segment has endpoints P(-1,5)and Q(5,2) find the coordinate of that trisect the segment

musickatia [10]

Answer:

(1, 6). The second is (-1 + 2 + 2, 1 + 1 + 1), or (3, 3)

Step-by-step explanation:

Moving from P to Q, we see that x increases by 6 and y increases by 3.

"Trisect" means "divide into three equal subintervals."

We find (1/3) of 6 (which comes out to 2) and (1/3) of 3 (which comes out to 1).

Thus, the first junction (between 1st and 2nd trisection) is (-1 + 2, 5 + 1), or (1, 6). The second is (-1 + 2 + 2, 1 + 1 + 1), or (3, 3)

5 0

3 years ago