Answer:
IF ABC and DEF are complementary then ABC + DEF = 90°
Therefore, DEF = 90° -ABC
Since DEF = 54° and DEF = x then
x = 90° -54°
x = 36°
Step-by-step explanation:
x = 36
Complementary angles add to 90 degrees
54+x = 90
x = 90-54
45%
If you mean 1.5 * 1.5^2 then the answers 3.375
2
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