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Find the radius of the sector below. Give your answer to 1 decimal place.
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The answer two your question is: 2 √14

Step-by-step explanation:

Use proportions to solve this exercise

Work with two triangles  ΔRSQ and ΔRTS

Side RQ = 14

Side RS = q

Side RS = q

Side RT = 4

                     14/q = q/4                            Solve for q

                     56 = q²

                     q = √56

Find prime factors of 56

                   56    2

                   28    2

                   14     2

                     7    7

                     1                     Then 56 = (2²)(2)(7)

                             =  √(2²)(2)(7)

                             = 2 √ 14