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nikklg [1K]
3 years ago
14

Question 5 of 5 Triangle ABC is an equilateral triangle. How many lines of symmetry does triangle ABC have?

Mathematics
1 answer:
lutik1710 [3]3 years ago
4 0
I believe just 1 because an equilateral triangle can only be reflected on one line for the halves to be the same
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p= 1/7
Alright, so first, you need to flip the equation.<span><span>It will turn into p+<span>4/7</span></span>=<span>5/7
Next, you want to get the variable by itself so you need to subtract 4/7 from both sides. 5/7-4/7=1/7
p=1/7</span></span>
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What is the equation of the line that is parallel to the given line and passes through the point (-3, 2)?
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Let's solve this problem step-by-step.

STEP-BY-STEP SOLUTION:

We will be using Pythagoras theorem to solve this problem. This is as this problem forms a right-angle triangle. Pythagoras theorem is the following:

a^2 + b^2 = c^2

Where c = hypotenuse of right-angle triangle

Where a and b = other two sides of right-angle triangle

To begin with, we will substitute the values from the problem into the equation. Then we will make the height of the tree the subject of the equation.

a = height of tree = ?

b = distance from the bird on the ground to the base of the tree = 8 metres

c = distance bird travelled from the ground to the top of the tree = 9 metres

a^2 + b^2 = c^2

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a^2 = 9^2 - 8^2

a = square root of ( 9^2 - 8^2 )

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a = square root of ( 17 )

a = 4.123...

a = 4.1 ( rounded to the nearest tenth )

FINAL ANSWER:

Therefore, the height of the tree is 4.1 metres ( rounded to the nearest tenth ).

Hope this helps! :)
Have a lovely day! <3
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Answer:

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Step-by-step explanation:

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