The area of a trapezoid is half its height multiplied by the sum of the lengths of its two bases.
6,550=1/2b(115+85)
<span>115+85= 200
1/2*200= 100
6,550/100=65.5
h=</span><span>65.5
</span>
The height is 65.5 cm
The answer is 4x^2-13x+14
102+39+B=180
141+B=180
-141 -141
B=39
its the first one
Answer:
D
Step-by-step explanation:
Use the distance formula to find the radius of the circle.
This implies that:
From the diagram;
Also;
The central angle of the shaded region is
The area of the shaded region is