Answer:
The second one, B
Step-by-step explanation:
3) tan(?) = 9/21
? = arctan(9/21)
? ≈ 23.20°
4) sine and cosine are equal for complementary angles.
θ = 90° - 32°
θ = 58°
Square root of 46 to the nearest hundredth is 6.78
Answer:
Assume:
(angle) RSB and angle (LSA) = D
and (line) ASR and (line) LSB is striaght then
(9x +27) + D = 180
(6x + 66) + D = 180
9x + D = 153
6x + D = 114
substitute
6x + D = 114
D = 114 - 6 x
9x + (114 - 6x) =153
3x = 39
x = 13
D = 114 - 6(13)
D=36
Step-by-step explanation:
Answer:
This simple formula: area = 1/2 x perimeter x apothem.
It means: Perimeter × the sum of the lengths of all the sides.
Hope it helps!<3