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kobusy [5.1K]
3 years ago
10

What is the area of the parallelogram? 15 cm 21 cm 20 cm

Mathematics
1 answer:
padilas [110]3 years ago
8 0

Answer:

Its either 300 or 315

Step-by-step explanation:

Mainly because 20 ×15= 300 but the triangles on the side, I can't figure it out. I eliminated 82 and 420, 420 mainly because I got it wrong and 82 doesn't make sense.

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Step 1:

first let us convert the two decimals into fractions.

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now we can multiply the fractions

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multiplying numerator with numerator and denominator with denominator:

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=\frac{864}{1000}

Now we can convert this back to decimal

864/1000=0.864, moving decimal three digits to the left since we have three zeros in the denominator that is 1000.

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