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Brilliant_brown [7]
3 years ago
6

The side length of an equilateral triangle is 20 cm. Find the length of the altitude

Mathematics
2 answers:
Effectus [21]3 years ago
7 0
Split in half 20 squared + 10 squared
then find the square root of the answer
10-/5
andreyandreev [35.5K]3 years ago
7 0

Answer:

like it i am a Beiniger please help

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Pls help it isn't hard I'm just having trouble.
NikAS [45]

Answer:According to my calculations, an item with an original price tag of $54.50 that is marked down by 20% will have a sales price of $43.60 -- a savings of $10.90.

If you include the sales tax savings ($0.82 ) your total savings would add up to $11.72.

Step-by-step explanation:

3 0
3 years ago
What is the sum of the first seven terms of the geometric series where a1 = 10 and r = −2?
lbvjy [14]

Answer:

  • 430

Step-by-step explanation:

<h3>Given GP with:</h3>
  • a1 = 10
  • r = -2
<h3>To find</h3>
  • S7
<h3>Solution</h3>

<u>Formula of sum:</u>

  • Sn = a1(r^n - 1)/(r - 1)

<u>Substitute values:</u>

  • S7 = 10((-2)^7 - 1)/(-2 - 1) = 10(- 128 - 1)/(-3) = 10*129/3 = 430
5 0
3 years ago
Fill in the first box to identify each measurement as a DIAMETER, RADIUS, or CIRCUMFERENCE of a circular object.
andreev551 [17]
Circumference is 75 ft

Diameter is 23.88 = 24

Radius is 11.94= 12
3 0
3 years ago
Which method would prove the quadrilateral is a parallelogram?
Maurinko [17]

Answer:

Answer: Each pair of opposite sides has the same measure. Therefore, they are congruent. If both pairs of opposite sides of a quadrilateral are congruent, the quadrilateral is a parallelogram.



3 0
3 years ago
When you start choose a pokemon starter in this game
Westkost [7]
A 1 in 3 chance or 33.33%
4 0
3 years ago
Read 2 more answers
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