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What is the value of r?

What is the value of r?-example-1
User Snyf
by
6.6k points

2 Answers

5 votes

using soh cah toa

opp=4

hyp=r

we are using soh

therefore sin45=4/r

rsin45=4

r=4/sin45

r=5.7 approx

User Jeremiah Smith
by
7.1k points
3 votes

Answer:

= 5.657 units

Explanation:

Using the trigonometric ratio; sine

Sine Ф = opp/Hyp

Opposite = 4 and Hypotenuse and Ф=45°

Sine 45° = 4/r

r = 4/sine 45

= 5.657 units

User Rfanatic
by
7.2k points