Line d and c are bother parallel but the three options would be them
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Subtract sides 2x


Divide sides by 3


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CHECK :




So the value is correct.
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Answer:
x(x + 4) = 21
Step-by-step explanation:
Area = length * width.
21 = x + 4 * x
x(x + 4) = 21
Answer:
12 cm
Step-by-step explanation:
2x4=8
3x4=12
Thats why
Any angle that would be less than 80 degrees would be known to be called an "Acute Angle". Therefore, your correct answer would then be known to be called an Acute Angle.
I hope this helps you!