Wednesday

October 22, 2014

October 22, 2014

Posted by **echus** on Monday, October 3, 2011 at 3:39pm.

- geometry -
**Steve**, Monday, October 3, 2011 at 4:14pmThe total base under the triangles is 21 (38-17)

Let b = the base by the 57° angle

So, the height

h = b*tan 57 = (21-b) tan(45) = 21-b

1.54b = 21-b

b = 8.27

21-b = 12.73

h = 12.73

- geometry -
**bobpursley**, Monday, October 3, 2011 at 4:17pmnow, having the height, use either sine or cosine to find the legs.

**Answer this Question**

**Related Questions**

trigonometry - the bases of a trapezoid are 22 and 12 respectively. The angles ...

trigonometry - the bases of a trapezoid are 22 and 12 respectively. The angles ...

Geometry - Find the area of the isosceles trapezoid with lower base 18cm, legs ...

trig - the base of a trapezoid are 22 and 12 respectively. the angle at the ...

geometry - the bases of isosceles trapeziod abcd are 17 and 25cm and its base ...

geometry - An isosceles trapezoid has base angles equal to 45 and bases of ...

geometry - An isosceles trapezoid has base angle 45 degrees and bases of length ...

geometry - Which description does NOT guarantee that a trapezoid is isosceles? A...

geometry - Three of the exterior angles of an n-sided polygon are 50 degrees ...

Math help Geometery - If, I ahve a trapezoid with two angles Angle 86 degrees ...