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Earn +20 ptsQ: If ABC dbc then bisects the angle acd?
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Continue Learning about Geometry
Ray bd bisects angle abc find the value of x if the measure of angle abd is represented by 7x plus 8 and the measure of angle dbc is represented by 9x-2?
5
M angle DBC 90 and m angle 2 28 find m angle 1?
7
Find the measure of angle and if the measure of angle abc60 the measure of angle and is represented by 5x 7 and the measure of angle dbc is represented by 9x-3?
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The 5 other names for triangle BCD?
Triangles BDC, CBD, CDB, DBC and DCB.
In the right triangle abc angle c is the right angle line ac is 3 and line ab is 5 so if point d is on hypotenuse ab that is to 1 what is the area of dbc?
The triangle is a right angled triangle with sides measuring 3 (and 4) and the hypotenuse of length 5. Note - The length of the third side bc = 4, can be calculated using Pythagoras Theorem. If d is 1 unit of length along the hypotenuse and a perpendicular line is drawn from bc to d (meeting bc at e) then the triangle bde is similar to triangle bac. Then ca/ba = 3/5 = ed/bd = ed/1. Thus ed = 3/5 units in length. The area of a triangle = ½ x base x vertical height. The area of triangle dbc = ½ x bc x ed = ½ x 4 x 3/5 = 1.2 sq units.
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