HELP !! Madison drew triangleDEF. In her triangle, m<D is represented as x. The measure of <E is half the measure of <D. The measure of <F is 2 less than twice m<D. What is m<F?

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OpenStudy (anonymous):

HELP !! Madison drew triangleDEF. In her triangle, m 11 years ago

OpenStudy (anonymous):

A. 36 B.56 C.102 D.147

11 years ago

OpenStudy (jadeishere):

X + 1/2x + (2x - 2) = 180 the reason it would be 180 is because the angles inside of triangles all add up to 180 degrees 3x + 1/2x = 182 3 and 1/2 x = 182 182 / 3.5 = m<d (x) 52 = m<D 26 = m < E because it's half of m<D 52 * 2 - 2 = m<f 104 - 2 = 102 m<f is equal to 102 degrees

11 years ago

OpenStudy (anonymous):

Thank you !!

11 years ago

OpenStudy (jadeishere):

Yep :)

11 years ago

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