Answer:
∠1 = 72°
Step-by-step explanation:
Complementary angles sum to 90°, thus
∠1 + ∠2 = 90, substitute ∠1 = 4∠2 , thus
4∠2 + ∠2 = 90
5∠2 = 90 ( divide both sides by 5 )
∠2 = 18°
Hence ∠1 = 90 - 18 = 72°
You can cross multiply and the answer would be 100/9
9/10=10/k
100=9k
k=100/9
Answer:
function
Step-by-step explanation:
Answer:
437.445 yards
Step-by-step explanation:
Convert: its 437.445 yards.
Hope this helps plz hit the crown :D
Answer:
-2 x (5x-12)
Step-by-step explanation: