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frozen [14]
3 years ago
7

Find the area of a triangle with sides a = 5 b = 8 and c = 11

Mathematics
2 answers:
Ann [662]3 years ago
5 0
That would be a Area of 18.33
galben [10]3 years ago
4 0
The area would be 18.33
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3 years ago
Can someone help me with this question.
Korolek [52]

Answer:

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Step-by-step explanation:

here's the solution :-

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6 0
3 years ago
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Need help with this geometry question, solving for x and please explain the formula for this
Alborosie
Alright, so what we can take as a given is that arcDE/2= ∠CDE=2x+20 since the arc corresponding to the angle is 2*the angle. To solve for arcDE, we multiply both sides by 2 to get 2(2x+20)=4x+40=arcDE. Since the arcs in a circle add up to 360 degrees and we only have -20+30x and arcDE, we have -20+40+4x+30x=360 using the associative property. Simplifying, we get 20+34x=340. Subtracting 20 from both sides, we get 340=34x. Next, we can divide both sides by 34 to get 10=x. 
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3 years ago
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