Answer:
BC=√7
Step-by-step explanation:
AC=4
AC=AH+HC
=3HC+HC
=4HC
HC=1/4AC=1/4×4=1
AH=3HC=3×1=3
BH⊥ AC
AB=AC=4

Answer:
54.5°
Step-by-step explanation:
You know that in a right triangle, the sine of an angle is given by ...
Sin = Opposite/Hypotenuse
sin(D) = EF/ED = 57/70
The inverse sine function is used to find the angle:
∠D = arcsin(57/70)
∠D ≈ 54.5°
Answer:
36 cm
Step-by-step explanation:
1cm = 10 km
360km/10km=36
1x36=36
68 minus 19 is 49
So the answer is there are 49 more children in the school then on the playground.
Answer:
Your answer is correct, it is 8x+37.
Step-by-step explanation: