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julsineya [31]
3 years ago
5

can some one write this out on a peice of paper it’s finding the angle measures do it on a peice of paper so i can copy it ITS 1

00 points and brainliest

Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0

Answer:

<em>138</em> ° <em>;</em> <em>140</em> °

Step-by-step explanation:

( 17x + 2 )° + ( 15x + 20 )° + ( 9x + 10 )° = 360°

17x + 2 + 15x + 20 + 9x + 10 = 360

41x + 32 = 360

41x = 328

x = 8

m∠BEF = ( 17 × 8 + 2 )° = <em>138 </em>°

m∠ABC = ( 15 × 8 + 20 )° = <em>140</em> °

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