Answer:
in triangle BCD
relationship between base and hypotenuse is given by cos angle
cos 71=b/h
cos71=BD/BC
cos71=67/x
x=67/cos71=205.8ft.
the length of BC to the nearest tenth of a foot is 206ft.
Answer:
1876.07
Step-by-step explanation:
(8.41 ×103)=866.23
(9.71×104)= 1009.84
866.23+1009.84 = 1876.07