### Geometry - Construct an Altitude in an Equilateral Triangle

Construct an equilateral triangle. Then construct one of its altitudes. If the sides each have length 1, how long is the altitude?

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Construct an equilateral triangle. Then construct one of its altitudes. If the sides each have length 1, how long is the altitude?

1. Write a proof. AB*BE = CB*BD. Prove triangle ABC is congruent to triangle DBE. 2. A parent group wants to double the area of a playground. The measurements of the playground are width is 2W and the length is 2L. They ask you to comment. What would you say? 3. Find the length of the altitude drawn to the hypotenuse.

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A) Find the area of the isosceles triangle in which each of the equal sides is 14.72 in and the vertex angle is 47° 28' . B) Find the radius of the inscribed circle and the radius of the circumscribed circle for the following obliqe triangle : a) = 12.7 , b = 21.5, and c = 28.6

Using LOGARITHMS, find the area of the following triangles : a) a = 12.7, b = 21.5, and c = 28.6 b) c = 426, A = 45° 48' 36 " , and B = 61° 2' 13 ".

Euclidean Geometry (II) Computing the Volume of a regular tetrahedron of edge length 1 Explain how to compute the volume of a regular tetrahedron of edge length 1.

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If there are n points on the circumference of a "cake" and each pair of these points is joined by a line or "cut" Let Wn be the number of regions. In the attached picture W4 = 8 (points ABCD). If we add point E and join it to every other point. Consider how many regions the segment AED is split into and then triangles ABC and AB

I need help writing a proof of the formulas of the volumes of two regular polyhedra (Platonic solids): (1) a tetrahedron and (2) an octahedron. I then have to use those formulas to find the volumes given a side length of 1.

Solve the triangle, round lengths to the nearest tenth and angle measures to the nearest degree. Please show work and see attachment.

Please see attachment and show work.

See the attached file. Solve the triangle. Round lengths to the nearest tenth and degrees. 1. B = 43, C = 107, B = 14 2. C = 110, a = 5, b = 11 3. B = 54, C = 112, b = 35 Find the solution 2 cos(theta) + 1 = 0.

Determine graphically the vertices of the triangle , the equations of whose sides are y=x; y=0; 2x+3y=10

One is the square root of 5-3, One is the square root of 5+3, One is 4

Please see the attached file for full question.

See attached file for full problem description.

Draw a diagram of a Saccheri quadrilateral ABDC, where (a) A and B are a pair of consecutive vertices (b) sides AD and BC are a pair of opposite sides (c) angles A and B are right angles (d) sides AD and BC are congruent. Then let M be the midpoint of AB, and drop a perpendicular from M to CD with foot N. Once

Please see the attached file for the fully formatted problems.

The hypotenuse of a right triangle is 12 and the area is 16√5. Find the length of the legs of the triangle.

Surveying: Surveyors sometimes use similar triangles to measure inaccessible distances. A surveyor could find distance AB by setting up similar triangles ABC and EDC. Assuming all lengths may be directly measured to set up a proportion and solve for AB. 17. How does the surveyor make ABC similar to EDC? 18. Set up a prop

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Geometry has many practical applications in everyday life. Estimating heights of objects, finding distances, and calculating areas and volumes are commonplace. One of the most fundamental theorems in geometry, the Pythagorean Theorem, allows us to make many of these calculations. The Pythagorean Theorem states that the square of

Given ABC with a=38 degrees, b=25, and c=32, find the length of side a. Given ABC with a=4, b=5 and c=7, find the approximate size of the angle y