3 years ago

Solve for x in the triangle.Round your answer to the nearest tenth.

Mathematics

2 answers:

enyata [817]3 years ago

5 0

sin = opposite/hypotenuse

sin 40° = 12/x

Cross multiply.

0.64278760968x = 12

Divide both sides by sin 40°.

x = 18.7 (rounded to nearest tenth).

guapka [62]3 years ago

3 0

Answer: 18.7

Step-by-step explanation:

From the diagram opposite side = 12

hypotenuse side=X

θ= 40⁰

Sinθ= opposite/hypotenus

Sin40= 12/X

Cross multiply

Xsin40° = 12

Divide bothside by sin40°

X = 12/sin40°

x= 12/0.64279

X= 18.6686

X=18.7

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