3 years ago

What is the MOST specific name for quadrilateral ABCD

Mathematics

2 answers:

Marat540 [252]3 years ago

8 0

Answer:

I'm pretty sure he or she are right^^

Step-by-step explanation:

i dont know

erma4kov [3.2K]3 years ago

4 0

I’m pretty sure it’s a trapezoid. It has one set of parallel lines and one set of N O T parallel lines.

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Step-by-step explanation:

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garri49 [273]

Answer:

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Step-by-step explanation:

$\sin(x + 7) = \cos(4x + 8) \\ \sin(x + 7) = \sin \{90 - (4x + 8) \} \\ \{ \because \cos \theta = \sin(90 \degree - \theta) \}\\ \therefore \: (x + 7) = 90 - (4x + 8) \\ x + 7 + 4x + 8 = 90 \\ 5x = 90 - 15 \\ 5x = 75 \\ x = \frac{75}{5} \\ x = 15$

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