# Area of a triangle calculator altitude

##### [DOCX File]Math Test—Calculator - College Board

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The sum of the measures in degrees of the angles of a triangle is 180. Question 1. A helicopter, initially hovering 40 feet above the ground, begins to gain altitude at a rate of 21 feet per second.

##### [DOC File]Pre-Calculus Unit 4- 1st 9-weeks

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NOTES Mon, Nov. 19th AREA OF A TRIANGLE. EXAMPLES: 1) Given: a = 3, b = 4, C = 40°. Find the area of the triangle. 2) The adjacent sides of a parallelogram are 18 and 26 cm long, and one angle measures 70°. Find the area of the parallelogram. 3) A triangular parcel of land has sides measuring 25 yards, 31 yards, and 50 yards.

##### [DOC File]Investigating Geometry

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Altitude of a triangle A perpendicular segment from a vertex of a triangle to the line that contains the opposite side Angle Two non-collinear rays having the same vertex Angle of depression. When a point is viewed from a higher point, the angle that the person’s line of sight makes with the horizontal . …

##### [DOC File]Lesson #1: Area of Circles

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The formula for the area of a triangle is: Example 1: What is the area of a triangle if its base is 13 ft and its height is 10 ft? 1. Write the formula for the area of a triangle. 2. Substitute 13 ft for the base and 10 ft for the height in the formula. 3. Find the product of 13 ft and 10 …

##### [DOC File]Topic: Geometric definitions

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EX 4: The altitude of a triangle measures 5 cm less than its base. The area of the triangle is 42 cm2. Find the lengths of the base and the altitude. EX 5: Alvin is building a rectangular pasture. He needs the length to be five feet more than three times the width, and the area must be 288 square feet. Find the length and width of his pasture.

##### [DOC File]Chapter 2

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4. The side of an equilateral triangle measures 21 inches. Find the length of the altitude of the triangle. 5. ∆MNP is a 45°- 45°- 90° triangle with right angle P. Find the coordinates of M in quadrant II with P(2,3) and N(2,8). 6. In the right triangle find CD if DE = 5.? Lesson 7-4a: Find x. 2. 3.

##### [DOC File]Day 1: Triangles and similarity

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46. The triangle on the right is an equilateral triangle, in which all three sides and angles are equal. The vertical line is an altitude, meeting the side in a right angle. Using this information, but with no knowledge of what the numerical lengths of the side or altitude are, find the sine and cosine of the angle at B.

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