Crazycookie1 Crazycookie1

02-01-2020
Mathematics

contestada

HELP
How would I find C? would I have to subtract 180 from 50??

HELP How would I find C would I have to subtract 180 from 50 class=

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kenlingdad kenlingdad

02-01-2020

Answer:

m∠C = 115°

Step-by-step explanation:

DE≈DF

ΔDEF is an isosceles triangle ∴ m∠DEF = m∠DFE = 1/2 (180-50) = 65

∴ m∠DFB = 180 -65 = 115

∵ DCBF is a parallelogram m∠DFB = m∠DCB = 115°

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