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lorasvet [3.4K]
3 years ago
7

A semi circle has a radius 8.2 cm

Mathematics
2 answers:
zaharov [31]3 years ago
5 0

Answer:

Step-by-step explanation:

Area=\frac{1}{2}*\pi *r^{2}\\\\=\frac{1}{2}*3.14*8.2*8.2\\\\=3.14*4.1*8.2\\

= 105.57

= 105.6 cm²

jasenka [17]3 years ago
3 0
Try using the app photo math or something like that it helps me a lot
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PLEASE HELP ME LINK IS BELOW
n200080 [17]

Answer:

55

Step-by-step explanation:

Since there is a right angle at the bottom, we know that x and angle 35 degrees form a right angle so 90 minus 35 is 55.

8 0
3 years ago
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Can someone answer this for me pls
lions [1.4K]

Answer:answer from math papa is b=−n+30

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6 0
3 years ago
What is the first step in describing what figure results when a given plane intersects a given three dimensional figure?
kaheart [24]
<h2><u><em>Divide and subtract from both sides</em></u></h2>
3 0
3 years ago
L || m
Alona [7]

Answer:

c. m∠1 + m∠6 = m∠4 + m∠6

Step-by-step explanation:

Given: The lines l and m are parallel lines.

The parallel lines cut two transverse lines. Here we can use the properties of transverse and find the incorrect statements.

a.  m∠1 + m∠2 = m∠3 + m∠4

Here m∠1 and m∠2 are supplementary angles add upto 180 degrees.

m∠3 and  m∠4 are supplementary angles add upto 180 degrees.

Therefore, the statement is true.

b. m∠1 + m∠5 = m∠3 + m∠4

m∠1 + m∠5 = 180 same side of the adjacent angles.

m∠3 + m∠4 = 180, supplementary angles add upto 180 degrees.

Therefore, the statement is true.

Now let's check c.

m∠1 + m∠6 = m∠4 + m∠6

We can cancel out m∠6, we get

m∠1 = m∠4 which  is not true

Now let's check d.

m∠3 + m∠4 = m∠7 + m∠4

We can cancel out m∠4, we get

m∠3 = m∠7, alternative interior angles are equal.

It is true.

Therefore, answer is c. m∠1 + m∠6 = m∠4 + m∠6

3 0
3 years ago
Ámala caught 54 fishes, she released 5/6 how many she keep
matrenka [14]
9 fish (:
5/6 of 54 is 45, so you would need to subtract 45 from 54, which is 9. 
I hope you find this useful, and, if so, please mark as brainliest :P
Good luck!
4 0
3 years ago
Read 2 more answers
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