Find m A. 38 B. 76 C. 142 D. 71

Mathematics

2 answers:

baherus [9]3 years ago

8 0

I think the answer is a. because all sides are the same.

1 side = 38

side m = probably 38

Hope this helped☺☺

kolezko [41]3 years ago

6 0

$360 = 38 + 38 + x + x$
$2x + 76 = 360 \\ 2x = 284 \\ x = 142$
The answer is C. 142

Hope this helps.

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HELP ME PLEASE IVE BEEN STRUGGLING WITH THIS FOR SO LONG

Ber [7]

Answer:

Step-by-step explanation:

Figure Interpretation:

m∠CBA + m∠CDE = 180

m∠BCA = (180-m∠CBA)/2

m∠DCE = (180-m∠CDE)/2

=======================

Then

m∠BCA + m∠DCE = (180-m∠CBA)/2 + (180-m∠CDE)/2

= [360-(m∠CBA+m∠CDE)]/2

= [360 - 180]/2

= 90

finally,

m∠ACE= 180 - (m∠BCA + m∠DCE)

= 180 - 90

= 90

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Maru [420]

Answer:

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Step-by-step explanation:

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Attached is a picture of how it would look on a number line.