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NetherisIsTheQueen
17.10.2019 •
Mathematics
(( i need asap this is really important ))
(a) name a pair of complementary angles. (b) name two supplementary angle pairs. (c) solve for each of the unknowns. show your work.
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Ответ:
Complementary angles are any 2 angles whose sum is 180°
a) BXC and CXD add up to 90°, so they are 2 complementary angles
b) AXC and CXD add up to 180°, so they are 2 supplementary angles
c) 2x+40°=90° (as BXC and CXD are complementary)
2x=90°- 40°
2x=50°
x=50°/2=25°
5y=90°
y=18°
Ответ:
Tr
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