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11111nata11111 [884]

4 years ago

6

A tree trunk has a diameter 50cm and a height 7.9m.

1 answer:

____ [38]4 years ago

8 0

Answer:

Ratio = 5:79.

Step-by-step explanation:

Convert the height to cms:

Height of the tree = 7.9 * 100 = 790 cm

Ratio = 50 : 790

Divide both values by 10;

Ratio = 5:79.

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Reptile [31]

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3 years ago

The triangle abc has a side lengths ac=13 and the hypotenuse ab=14 whats the angle measurement of a

iragen [17]

Answer:

The angle measurement of a is 21.78°.

Step-by-step explanation:

Given : The triangle abc has a side lengths ac=13 and the hypotenuse ab=14.

To find : Whats the angle measurement of a ?

Solution :

In triangle abc,

The side length is the adjacent side of the angles a i.e. base = ac=13

The hypotenuse is ab=14.

Apply trigonometry in triangle abc,

$\cos\theta=\frac{B}{H}$

$\cos\theta=\frac{ac}{ab}$

$\cos\theta=\frac{13}{14}$

$\theta=\cos^{-1}(\frac{13}{14})$

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Therefore, the angle measurement of a is 21.78°.

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