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svp [43]
3 years ago
10

Find the length of AC Give your answer to 1 decimal place

Mathematics
2 answers:
exis [7]3 years ago
4 0

Answer:

AC ≈ 17.3 cm

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan68° = \frac{opposite}{adjacent} = \frac{AC}{AB} = \frac{AC}{7} ( multiply both sides by 7 )

7 × tan68° = AC , then

AC ≈ 17.3 cm ( to 1 dec. place )

Fantom [35]3 years ago
3 0

We will use tangent here as we are finding the opposite with the adjacent given.

So we can simply just put this into a calculator:

tan(68°) × 7 cm = AC

tan(68°) × 7 cm = 17.3 cm

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