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s2008m [1.1K]
3 years ago
10

If AB = 4 centimeters, which is closest to BC?

Mathematics
2 answers:
Contact [7]3 years ago
5 0

in my opinion it is 3.4 cm because in any case it is a right triangle,then you can see whith the naked eye that AB is longer

Misha Larkins [42]3 years ago
4 0

Answer:

The correct answer AC = 11.52

Step-by-step explanation:

From the figure attached with this answer shows the triangle ABC.

BC=4 centimeters, m angle B=m angle c, and m angle a = 20 degrees

To find AC

From the figure we can see that D is the mid point and AD⊥BC

Then BD = CD = 4/2 = 2 cm

<BAD = 10° and <CAD = 10°

By using trigonometric ratio,

sin 10 = CD/AC = 2/AC

AC = 2/sin 10 = 2/0.1736 = 11.52

Therefore the value of AC = 11.52 cm

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