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1 answer:
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Answer: C
<u>Step-by-step explanation:</u>
Let x represent the first term (a₁)
a₁ = x
a₂ = x(-√2) = -x√2
a₃ = -x√2(-√2) = 2x
a₄ = 2x(-√2) = -2x√2
a₅ = -2x√2(-√2) = 4x
Since it is given the a₅ = √2, then we can solve: 4x =√2
Divide both sides by 4 to get: x =
this can also be written as:
Answer:
27.2mm²
Step-by-step explanation:
Area of a triangle = * base * height
Base of this triangle = 8mm
Height = 6.8mm
Area =
= 4mm * 6.8mm
= 27.2mm²