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2 years ago

For a regular 30 sided polygon , what is the degree of rotation

1 answer:

6 0

The measure of any interior angle of a convex regular n-gon is :
180 º - ( 360 º / n )

For a 30-sided polygon,
interior angle = 180 º - ( 360 º / 30 )
..................... = 180 º - 12 º
..................... = 168 º

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ABC is an isosceles triangle in which ab and ac are equal if d is a the midpoint of BC prove that ABD=ADC

jeka94

Answer:

Step-by-step explanation:

Given that,

ABC is an Isosceles triangle.

In an Isosceles triangle the opposite sides ( AB =AC) are equal; Their base angles ( < ABD = < ACD) are also equal to each other.

It is als given that D is the mid point of BC.

i.e., BD = CD

Therefore,

By SAS theorem of congruency of triangles,

ABD = ACD

If this is the answer required, hope it helps...

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2 years ago

Given that v=√u*u- 2qs. Make q the subject of the equation. Find the value of q in the equation if v=8, u=12, and s=40

kifflom [539]

Answer:

Step-by-step explanation:

v=√u*u- 2qs

$\sqrt{20}$ x 20 - 2q40 = 8
$2\sqrt{5}$ x 20 - 2q40 = 8
40 $\sqrt{5}$ - 2q40 = 8
- 2q40 = 8 - 40 $\sqrt{5}$
-80q = 8 - 40 $\sqrt{5}$
q = (8-40 $\sqrt{5}$ ) / -80 = $\frac{-1 + 5\sqrt{5} }{10}$ = 1.018

3 0

2 years ago

Read 2 more answers

How many three 3 letter word can we make with the letter in the world post

son4ous [18]

Answer:

1). top 2). opt 3). sop 4). sot 5). ops 6). pot

5 0

2 years ago

Add or subtract write your Answer in simplest form

Brums [2.3K]

Answer:

The answer is 1 and 1/4

The second option

Step-by-step explanation:

Hopes this helps

5 0

3 years ago

Use the conversions given below to change 83 kg into stones.

eduard

83 kg converted to stones is 13 stones.

Step-by-step explanation:

Given,

We have to convert 83 kg to stones.

As it is given,

1 kg = 2.2 pounds

83 kg = 2.2*83 pounds

83 kg = 182.6 pounds

Now,

14 pounds = 1 stone

1 pound = $\frac{1}{14}\ stones$

182.6 pounds = $\frac{1}{14}*182.6$

182.6 pounds = 13.04 stones

Rounding to one dp

182.6 pounds = 13.0 stones

83 kg converted to stones is 13 stones.

Keywords: converting units, division

Learn more about division at:

#LearnwithBrainly

4 0

2 years ago