10
Step-by-step explanation:
5) Obtuse triangle because the top angle is more than 90 degrees
The sine function is an odd function, so the sine of -30° is the opposite of the sine of 30°.
sin(30°) = 1/2
sin(-30°) = -1/2
The sine of 30° is greater than the sine of -30°.
Answer:
C. 309 cm2
Step-by-step explanation:
A=2(1+sqr2)a^2
A=2(1+sqr2)8^2
≈309.01934
The answer of 9 3/4 as a percent is
9 (900%) plus 3/4 (75%) which equals 975%
