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evablogger [386]
3 years ago
13

Find the value of each variable that ensures that each equilateral is a parallelogram

Mathematics
1 answer:
puteri [66]3 years ago
8 0
Opposite sides are equal in a parallelogram.

3a-12 = \frac{1}{2}a-7

\frac{5}{2}a = 5

a = 2
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HELP ME WITH THIS QUESTION AS SOON AS POSSIBLE
bixtya [17]

Answer:

the answer is 2880

Step-by-step explanation:

because you would use the formula (n - 2) x 180 which equals the sum interior angles of any polygon .

The letter n stands for number of sides so in this case you would do (18 - 2) x 180 so 16 × 180 = 2880

hope this helped :) pls ask if you need any more explanation .

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5 0
1 year ago
Prove that the circumcenter of a triangle is equidistant from its vertices.
ruslelena [56]

Answer:

Step-by-step explanation:

The circumcenter is equidistant from the three vertices of the triangle. From the figure shown, we will prove DA = DB = DC. 2) DA = DB, DC = DB(If a point is on the perp. bisector of a segment, it is equidistant from each endpoint of the segment.)

5 0
3 years ago
I need help checking these
insens350 [35]

Answer:

180cm^2 & 472ft^2

Step-by-step explanation:

answer of 16 number

h2=p2+b2 ,therefore

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answer of question 17

h2=p2+b2

576=p2+104

576-104=p2

472=p2

6 0
3 years ago
What number replaces the ∆? 4 = 4 6 + 4 = ∆ + 4
tatiyna

Answer:Triangle is 6. Question wasn’t very clean so I hope this helps

Step-by-step explanation:

4=4

6+4= ∆+4

Subtract 4 from each side

6=∆

3 0
4 years ago
What is the quotient of 2 1/4 and 5/8?
Akimi4 [234]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
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