3 years ago

Solve for a side in right triangles help

Mathematics

2 answers:

Pani-rosa [81]3 years ago

7 0

Answer:

The length of AB is 7.45 units.

Step-by-step explanation:

You can find the length of AB using Cosine Rule, cosθ = adj./hypo. :

θ = 20°

adj. = 7 units

hypo. = AB

cos 20° = 7/AB

AB = 7/cos 20°

= 7.45 units (3s.f)

daser333 [38]3 years ago

3 0

Answer:

7.45

Step-by-step explanation:

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