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2 years ago

PLEASE HELP WITH THIS MATH

Mathematics

1 answer:

Anni [7]2 years ago

4 0

Answer:

Step-by-step explanation:

1. 96 centimeters squared

2. 300 degrees

3. no, the diagonals of a parallelogram donor intersect at 90 degree ( are not perpendicular) .it is because the adjacent sides of parallelogram are not equal..

4. no

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Strike441 [17]

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ycow [4]

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Step-by-step explanation:

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2 years ago

Convert 6 4/9 into a decimal

Gennadij [26K]

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Kipish [7]

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Determine the exact value of sin 240

iren2701 [21]

simplify : the exact value of sin 240

Explanation: sin(240)=sin(60+180)=-sin60

$\begin{gathered} -sin60=-\frac{\sqrt{3}}{2} \\ =-0.87 \end{gathered}$

Final answer: the required vaalue of the sin 240 is -0.87

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11 months ago