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- Cutiepatutie ☺❀❤
the lenght of the hypotenuse is determined either by taking into account sin 30, respectively sin60 and/or cos60, respectively cos30.
Sin 30 = cos60=1/2
the opposite line to the 30 degrees angle is (in this case) called "the shortest leg"
Therefore the value of the hypothenuse is 30×2=60mm
Ф is the angle of elevation to the topo of the building from G.
length of leg adyacent to angle Ф=40m
length of leg opposite to angle Ф=15 m
tan Ф=leg opposite / leg adyacent=15/40=0.375
Ф=arctan 0.375=20.56º
The angle of elevation to the top of the building from G is 20.56º.
Answer:
10
Step-by-step explanation:
Answer:
C) -9.6
Step-by-step explanation: