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n200080 [17]
3 years ago
8

Evaluate 3a2 + 4b2 for a = 2 and b = 3

Mathematics
1 answer:
Crank3 years ago
4 0
<span>3a^2 + 4b^2 for a = 2 and b = 3

</span><span>3(2)^2 + 4(3)^2 = 12 + 36 = 48</span>
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Answer:

The correct answer is: \Delta BDE \cong \Delta BFK by <em>rule</em> ASA rule of congruence.

Step-by-step explanation:

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<u>Congruent side:</u>

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<u>Congruent angles:</u>

1. By definition of perpendicular,

\angle{BFK} = 90 \textdegree \ (Since \ \overline{FK} \ is \ perpendicular \ to \ \overline{AB} \ (\overline{FK} \perp \overline{AB} =Given))

Also,

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\angle{BDE} \cong \angle{BFK}

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2. Common angle between \Delta BDE \ and \ \Delta BFK is \angle{B}

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\angle{B} (Angle)

\overline{BD} (Side)

\angle{BDE} (Angle)

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\angle{B} (Angle)

\overline{BF} (Side)

\angle{BFK} (Angle)

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Answer:

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