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murzikaleks [220]
2 years ago
9

I need help explanation if possible

Mathematics
1 answer:
viva [34]2 years ago
3 0

Answer:

y = 16.

Step-by-step explanation:

The ratio of corresponding sides of similar triangles are the same.

The small and large triangles are similar ( - that is corresponding angles are congruent).

So 2/(2+8) = x / 20

2/10 = x/20

10x = 40

x = 4.

Therefore y = 20 -4 = 16.

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3 years ago
3. Find two possible lengths for CD if C, D, and E
Kaylis [27]

Given :

C, D, and E  are col-linear, CE = 15.8 centimetres, and DE=  3.5 centimetres.

To Find :

Two possible lengths for CD.

Solution :

Their are two cases :

1)

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Here, CD = CE - DE

CD = 15.8 - 3.5 cm

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2)

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CD = 19.3 cm

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3 years ago
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