christianjogger christianjogger

05-01-2017
Mathematics

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If DEF is an isosceles triangle with base , what is the measure of F?

If DEF is an isosceles triangle with base what is the measure of F class=

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amandabmartin amandabmartin

05-01-2017

70 degrees
Angle FED = 180 - 140 = 40

180 (sum of all angles in a triangle) - 40 = 140
140/2 = 70

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