3 years ago

Give answer to 1 d.p

Mathematics

1 answer:

KATRIN_1 [288]3 years ago

8 0

Answer:

AB ≈ 5.6 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos62° = $\frac{adjacent}{hypotenuse}$ = $\frac{AB}{BC}$ = $\frac{AB}{12}$ ( multiply both sides by 12 )

12 × cos62° = AB , then

AB ≈ 5.6 cm ( to 1 dec. place )

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