Thursday

March 5, 2015

March 5, 2015

Posted by **Terri Search** on Thursday, March 10, 2011 at 4:47pm.

- geometry -
**kris**, Thursday, March 10, 2011 at 5:09pmsupplementary angles= 180 degrees, therefore divide 180 by 7.

- geometry -
**Henry**, Friday, March 11, 2011 at 11:18pmABC = X deg.

DEF = 7X deg.

x + 7x = 180 deg.

8X = 180,

X = ABC = 22.5 deg.

7X = DEF = 7 * 22.5 = 157.5 deg.

**Answer this Question**

**Related Questions**

math - angle ABC and DEF are supplementary angles. the measure of DEF is 20 ...

geometry - DEF and ABC are complementary angles and ABC is nine times as large ...

geomerty - The following triangles, Ä ABC and Ä DEF, are congruent. abc 67....

Trigonometry/Geometry - In most geometry courses, we learn that there's no such ...

Precalculus - In most geometry courses, we learn that there's no such thing as "...

math - Find the perimeter and area of a right triangle if one leg measures 9 cm ...

Trigonometry/Geometry - Law of sines and cosines - In most geometry courses, we ...

GEOMETRY - If ABC ~ DEF and the scale factor from ABC to DEF is 1/6, what are ...

geometry - Triangle ABC is similar to triangle DEF. The sides of ABC are 5,8 and...

Geometry - A carpenter is building a staircase using his knowledge of right ...