6×3=18 this is the closets to twenty.
18×3=54
3×2=6
54+6=60
Nima can mow 60 yards in twenty days.
That would be vertical angles if they are angle opposite each other when 2 lines intersect.
By comparing with a right triangle, we will see that the height of the tree is 62.12ft
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How tall is the tree?</h3>
We can compare the situation with a right triangle. Such that the hypotenuse measures 68 ft, and an angle measures 66°.
We want to get the height of the tree, which would be the opposite cathetus, then we can use the relation:
Sin(a) = (opposite cathetus)/hypotenuse.
Sin(66°) = H/68ft
Tan(66°)*68ft = H = 62.12ft
The height of the tree is 62.12ft
If you want to learn more about right triangles, you can read:
brainly.com/question/2217700
