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Serjik [45]
3 years ago
8

Find the area of the rhombus

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0
TQ = \sqrt{ {PQ}^{2} - {PT}^{2} } = \sqrt{{20}^{2} - {16}^{2} } = \sqrt{144} = 12\: mm \\ Area:16 \times 12 \times 2 = 384\: {mm}^{2}
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Fatimah,Siti and Noraini share 90 marbles in the ratio 4 : 5 : 6.Calculate the number of marbles that siti receives.
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Answer:

30 marbles.

Step-by-step explanation:

Let Fatimah,Siti and Noraini has 4x, 5x and 6x marbles.

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Hence, Siti received 30 marbles.

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3 years ago
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