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Firlakuza [10]
2 years ago
12

Someone helpp !! I don’t understand this at all

Mathematics
1 answer:
Naddika [18.5K]2 years ago
4 0

Answer:

∠AB=9

Step-by-step explanation:

<em>the pyagrothyes therom= </em>a^{2}<em>+</em>b^{2}<em>=</em>c^{2}

<em>to find ∠AB we need to find the height of the triangle.</em>

<em>replace the variables:</em>

a^{2}<em>+</em>6^{2}<em>=</em>9^{2}

<em>=</em>9^{2}<em>-</em>6^{2}<em>=</em>a^{2}

<em>simplify:</em>

<em>81-36=</em>\sqrt{45}

<em>now we solve for ∠AB</em>

<em>replace the variables:</em>

6^{2}<em>+</em>\sqrt{45}<em>=</em>c^{2}

<em>simplify:</em>

<em>36+45=</em>\sqrt{81}

\sqrt{81}<em>=9</em>

I hope this helps you!!

have a nice day!!

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1. TRUE

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Step-by-step explanation:

1. From the diagram, we have that m∠2 and m∠7 are alternate interior angles

If m∠2 = 70° and m∠7 = 70°, then we have;

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2. If m∠3 = 90° and m∠7 = 90°, therefore, the angle formed by the intersection of l₃ and l₂ = 90°

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3. m∠5 and m∠7 are corresponding angles

If m∠5 = 85° and m∠7 = 85°, then, m∠5 = m∠7

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m∠1 + m∠5 = 180° by sum of angles on a straight line

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3 years ago
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