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bija089 [108]
3 years ago
13

Does anyone know this?

Mathematics
1 answer:
postnew [5]3 years ago
8 0
I believe the second question is Angle-Side-Angle
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Answer:

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Step-by-step explanation:

we know, ∠BGA = 90

In right angled triangle BGA

AB = 12 cm (diameter of circle)

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In right angled triangle BCG

Let CG be x cm.

⇒ (BC)2 = (CG)2 + (BG)2

⇒ (BC)2 = x2 + (4√5)2 ----(1)

As we know,

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From equation (1) and equation (2)

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⇒ x2 + (4√5)2 = x2 + 8x

⇒ 8x = 80

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From equation (2)

⇒ (BC)2 = CG × CA

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6 × 5 = 30

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2 years ago
60 is ? Times as many as 10
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