lovemichelle638
24.06.2021 •
Mathematics
30 points Work out the angle of DEG and give a reason.
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Ответ:
where's picture
Ответ:
x = 10
Step-by-step explanation:
smaller triangle / bigger triangle = 20 / 28
hence,
3x / (4x+2) = 20/28
28(3x) = 20(4x+2)
84x = 80x + 40
4x = 40
x = 10