Q: What is 180 M S in D?

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Assume a triangle ABC with a line AB (containing the side AB) with external angle D which is formed when line AB and line segment AC intersect. We are asked to prove that the external angle D is equal to the sum of the two interior angles B and C. Angles A and D are supplementary angles (they sum to 180 degrees) because they are linear angles (both together make a straight line, or a 180 degree angle). This means: m<A + m<D = 180 degrees. m<A = 180 deg - m<D Then because A, B, and C are the three angles in a triange: m<A + m<B + m<C = 180 deg m<A = 180 deg - m<B - m<C By substituting 180 deg - m<D in for m<A in the above equation we get: 180 deg - m<D = 180 deg - m<B - m<C Subtract 180 deg from each side: -m<D = -m<B - m<C Multiply both sides by -1 m<D = m<B + m<C Which proves that the measure of the external angle D is equal to the sum of the two opposite interior angles B and C for any given triangle. wow. that's a lot. lol.

180 Degrees in a straight line 180 degrees in a straight line

S: actually, there is no S in the roman's counting system. D: 500 L: 50 M: 1000 X: 10 V: 5

d degrees + m minutes + s seconds = d + m/60 + s/3600 degrees in decimal form.

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180 IS THE M S WITH 3 D

maximum score at darts

Assume a triangle ABC with a line AB (containing the side AB) with external angle D which is formed when line AB and line segment AC intersect. We are asked to prove that the external angle D is equal to the sum of the two interior angles B and C. Angles A and D are supplementary angles (they sum to 180 degrees) because they are linear angles (both together make a straight line, or a 180 degree angle). This means: m<A + m<D = 180 degrees. m<A = 180 deg - m<D Then because A, B, and C are the three angles in a triange: m<A + m<B + m<C = 180 deg m<A = 180 deg - m<B - m<C By substituting 180 deg - m<D in for m<A in the above equation we get: 180 deg - m<D = 180 deg - m<B - m<C Subtract 180 deg from each side: -m<D = -m<B - m<C Multiply both sides by -1 m<D = m<B + m<C Which proves that the measure of the external angle D is equal to the sum of the two opposite interior angles B and C for any given triangle. wow. that's a lot. lol.

180 Degrees on a Straight Line

180 highest score in darts

Tonic solfa for Silent Night on the recorder: s l s m s l s m r r t d d s l l d t l s l s m l l d t l s l s m r r f r t d m d s m s f r d.

180 Degrees in a Straight Angle

D. M. S. Watson died in 1973.

D. M. S. Watson was born in 1886.

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"One hundred eighty: Maximum (score) in Darts".

180 Degrees in a straight line 180 degrees in a straight line