3 years ago

Find the length of AC again

Mathematics

2 answers:

Bingel [31]3 years ago

5 0

Answer:

Step-by-step explanation:

side Ac is the opposite of angle B, therefore use the sin ratio to find ac since the hypotenuse is also given

sin B=opposite/hypotenuse

sin 27=ac/15

ac=sin27×15

=6.81

I hope this helps

Roman55 [17]3 years ago

5 0

Answer:

AC = 6.81

Step-by-step explanation:

∠BAC = 90° - 27° = 63°

Cos 63° = $\frac{AC}{AB}$ = 0.454

AC = cos 63° * AB = 0,454 * 15 = 6.81

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