Step-by-step explanation:
x°+43°+(x-1)°=180°(sum of all the interior angle of triangle is 180°
2x°+42°=180°
2x°=180°-42°
2x°=138°
x=138°/2°
:. x=69°
Now,
angle H= (x-1)°=69°-1°=68°
:. angle H= 68°
Answer:
-8
Step-by-step explanation:
1.
2.
3.
Area of polygon
=n(base * apothem)/2
=5*9*8/2
=180 mm^2
Volume of prism
=cross-sectional area * height
=180*28
=5050 mm^3
Answer:
a.
Step-by-step explanation:
The curve
is not a conic.
Convert to rectangular coordinates.
First multiply through by r.
Substitute
and
We can see clearly that this is not a conic.
is an equation of a cardioid.
is a circle.
is a parabola.
is an ellipse.
Answer:
48
Step-by-step explanation:
If EG=8, OE=4
x/12=4
x=4(12)
x=48