| Recent Answers |
 |
|
2008-07-01 Supplementary Angles: Hi Ana! Let "x" equal your angle. "x+40" thus equals its supplement. Supplementary angles have a sum of 180 degrees, so the math is as follows: x+x+40=180 2x=140 x=70 SOLUTION: The angle sought...
|
2008-06-28 Triangles - Congruency: Hi Dboo, There is insufficient information given to say that the triangles are congruent. I would need a diagram or an explicit description to see the length of the sides of both triangles, as well...
|
2008-06-24 Segment Addition Postulate: Hi Victor, The segment addition postulate states that the sum of the parts equals the whole. This means that dc+ce=de. Set this up and algebraically solve for m. Ask a follow-up with your answer...
|
2008-06-24 Circles / Coordinate Plane: Hi Tristan! Think vectors: the x-coordinate is equal to the magnitude times the cosine of the angle and the y-coordinate is equal to the magnitude times the sine of the angle. In this case, assuming...
|
2008-06-23 Length and Width of a Rectangle: Hey Peter, "2 inches less than TWICE the width." Here's the proper math: c^2=a^2+b^2 (5)^2=(x)^2+(2x-2)^2 25=x^2+4x^2-8x+4 0=5x^2-8x-21 0=(5x+7)(x-3) x=-7/5 x=3 x=-1.4 x=3 The...
|
| More Answers for "Geometry" |