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1)From a point on the ground 20m from the base of a tree, the angle of elevation to the top of the tree is 47°. Calculate the height of the tree.
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2)An isosceles triangle has two equal sides of length 8cm and two equal angles of 50°. calculate the height and the base of this triangle?
1)From a point on the ground 20m from the base of a tree, the angle of elevation to the top of the tree is 47°. Calculate the height of the tree.
|
|
|
2)An isosceles triangle has two equal sides of length 8cm and two equal angles of 50°. calculate the height and the base of this triangle?
1)From a point on the ground 20m from the base of a tree, the angle of elevation to the top of the tree is 47°. Calculate the height of the tree.
|
|
|
2)An isosceles triangle has two equal sides of length 8cm and two equal angles of 50°. calculate the height and the base of this triangle?
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