Answer: answer is A. 80 degrees and 100 degree
Step-by-step explanation:
C option is more reliable for measurement.
Answer:
3
Step-by-step explanation:
Answer:
n = 1/2 or .5
Step-by-step explanation:
4n + 3 = 10 -10n
14n = 7
n = 1/2 or .5
Hope this helps!
Answer:
EA = 
Step-by-step explanation:
Δ CEA and Δ CDB are similar by the AA postulate. Then the ratios of corresponding sides are in proportion , that is
=
( substitute values )
=
=
( cross- multiply )
9 EA = 150 ( divide both sides by 9 )
EA =
= 