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olganol [36]
3 years ago
5

Need help on problem seven thank you

Mathematics
2 answers:
Alja [10]3 years ago
8 0

Given: <A = <D

<A = 4x - 20 and <D = x + 19

so

4x - 20 = x + 19

3x = 39

x = 13

<A = 4(13) -20 = 52 - 20 = 32

Answer

<A = 32°

icang [17]3 years ago
8 0

(3)

we are given

angle(A)=angle(D)

A=4x-20

D=x+19

now, we can set it equal

4x-20=x+19

now, we can solve for x

4x-x=20+19

3x=39

x=13

now, we can find angle A

A=4*13-20

A=32..............Answer

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