Classify the triangles with each set of side lengths as [i]acute[/i], [i]right[/i] or [i]obtuse[/i].[br]A: 7, 24, 26[br]B: 8, 15, 17[br]C: 13, 15, 17[br]D: 20, 21, 29
Find the exact altitude of [math]\bigtriangleup[/math]ABC at point D.
Find the Sine, Cosine, and Tangent and measures for angles A and C.
Write sin81° in terms of cosine.
Find the area of △ABC with side lengths b = 6 and c = 17, and included angle A = 135°. Round your answer to the nearest tenth.
Solve the triangle. Round answers to the nearest hundredth,
Solve the triangle. Round answers to the nearest hundredth,
You are planting a garden in the shape of an equilateral triangle with side lengths of 4 yards. Find the area of the garden to determine how much topsoil you will need.
A 20-foot ladder leans against the side of a house with its base 3.5 feet from the house. Find the approximate height the ladder reaches up the side of the house. Round your answer to the nearest hundredth.
A 20-foot ladder leans against a wall so that it is 16 feet high at the top. The ladder is moved so that the base of the ladder travels up the wall 3 feet. How much closer is the ladder from the wall now?