Pi was discovered way back already the way to Babylonians and Egyptians 216 BC but none were all the way accurate they were close
Answer:
x = 51.98
Step-by-step explanation:
tan 68 = opp/hyp = x/21
or
x = 21×tan68°
= 21(2.475)
= 51.98
-1.58208955224
DO THE MATH