Flowerbed

Flowerbed has the shape of an isosceles obtuse triangle. Arm has a size 5.5 meters and an angle opposite to the base size is 94°. What is the distance from the base to opposite vertex?

Correct result:

h =  3.75 m

Solution:

cos(94/2)=h5.5 h=5.5cos(94/2)=3.75 m

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