30 60 90 triangle
ratio of short leg : long leg = a : 2a
Given short leg a = 5 ft
so long leg = 2a = 2 x 5 =10 ft
basketball hoot = 10 ft + 5 ft = 15 ft
Answer
D. 15 ft
Bacically multiply 3 by 2 which is 6 then multiply that by 5 which is 30
P=3r + 2s you need to get all the numbers and variables on the other side of the equation so that s is alone.
P -3r = 2s Subtract the 3r from both sides.
P- 3r /2 =s now divide the whole amount P-3r by 2 and you've got your answer!
I believe the answer is 88 because the 120 will create a straight angle which is 180. Then you do 180-120=60. This is the measure I the left angle. Now your answer will be 88
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