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labwork [276]
3 years ago
7

Please someone answer this, “what is the area of triangle ABC?”

Mathematics
1 answer:
prisoha [69]3 years ago
4 0

Here's the solution,

The given triangle is an <u>equilateral triangle</u>, because it's all angles measure 60° each

now,

Area of an equilateral triangle :

=》

\dfrac{ \sqrt{3} }{4}  {a}^{2}

where,

  • a = 8 ( side measure )

=》

\dfrac{ \sqrt{3} }{4}  \times 8 \times 8

=》

\sqrt{3}  \times 16

=》

16 \sqrt{3} \:  \:  \:  cm {}^{2}

or

=》

27.71 \:  \: cm {}^{2}

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Lena [83]

Firstly, subtract 5 on all sides of the inequality: -18

Next, multiply all sides by -1. And since you are multiplying by a <u>negative</u>, flip the signs as well. <u>Your final answer will be 18>x>-3</u>

8 0
4 years ago
QUESTION 1
I am Lyosha [343]
QUESTION 1
A survey of 85 randomly selected homeowners finds that they spend a mean of $67 per month on home maintenance with a standard
deviation of $14. Construct and interpret a 99% confidence interval for the mean amount of money spent per month on home
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What is ?
If necessary, round your answer to three decimal places
QUESTION 2
0
A survey of 85 randomly selected homeowners finds that they spend a mean of S67 per month on home maintenance with a standard
deviation of $14. Construct and interpret a 99% confidence interval for the mean amount of money spent per month on home
maintenance by all homeowners.
What is the t-multiplier?
if necessary, round your answer to three decimal places.
Chick Save and Submit to save and submit. Click Save All Answers to save all answers.
3 0
3 years ago
Sloveeeeeeee plssssssssss bots are deleted
uranmaximum [27]

a=b, b=40

360-a-b=c*2

360-80=c*2

280=c*2

140=c

本题已由中国数学会官方解答(现有会员:3人)  

3 0
3 years ago
6 2/3 times 5 1/4 times 2 1/10
Neporo4naja [7]

Answer:

I got 73.5

Step-by-step explanation:

hope this helps

if so plz mark me as brainliest

3 0
3 years ago
Read 2 more answers
Find the measure of the indicated angle to the nearest degree.
Alex_Xolod [135]

Answer: 1. <u><em>77.31961650818018</em></u> 2. <u><em>16.26020470831196</em></u> 3. <em><u>75.7499673021964</u></em> 4. <em><u>31.89079180184571</u></em> 5. <em><u>67.38013505195958</u></em> 6. <em><u>28.072486935852954</u></em>

Step-by-step explanation:

I used a right triangle calculator!

6 0
4 years ago
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