Help me plz its math and if u help i will give brainlest

Mathematics

1 answer:

Black_prince [1.1K]4 years ago

4 0

Answer: the correct answer is 40

Step-by-step explanation:

All angles in a triangle equal 180.

180-100=80

the question says the other two angles are equal. So we will divide by 2

80/2=40

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The string of a kite is 120 metres long and it makes an angle of 60 degree

Afina-wow [57]

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Step-by-step explanation:

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$\sin \theta \: = \frac{height \: of \: the \: kite}{length \: of \: the \: string} \\ \\ \sin 60 \degree \: = \frac{h}{120} \\ \\ \frac{ \sqrt{3} }{2} = \frac{h}{120} \\ \\ h = \frac{ \sqrt{3} }{2} \times 120 \\ \\ h = \sqrt{3} \times 60 \\ \\ h = 1.732 \times 60 \\ \\ h = 103.92 \: m \\$