anniebachand33 anniebachand33

04-06-2020
Mathematics

contestada

what is the arc measure of minor arc DE in degrees?

help lol

what is the arc measure of minor arc DE in degreeshelp lol class=

Respuesta :

martin58853 martin58853

10-06-2020

Answer:

DE= 39°

Step-by-step explanation:

(4w+ 4 )+(4w+8)= 180

Solve for w

8w + 12 = 180

8w = 180-12

8w = 168

W= 21°

(4w+ 4)+(2w+11)+DE = 180

But w= 21°

((4*21 )+4)+((2*21)+11)+DE = 180

88 + 53 + DE = 180

DE = 180-88-53

DE= 39°

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