Points $A, B, C$ and $D$ have these coordinates: $A(3,2)$, $B(3,-2)$, $C(-3,-2)$ and $D(-3,0)$. What is the area of quadrilateral $ABCD$?
https://web2.0calc.com/questions/math-question_119
Find the value of b in -x^2+bx-5<0 where x is element (-infinity,1) (1, infinity)?
x2 + 25x + c c = ?
25x : 2x = 12.5
12,52 = 156.25
c = 156,25
(x2 + 12,5)2
In right triangle $ABC$ with $\angle A = 90^\circ$, we have $AB = 5$ and $BC = 8$. Find $\sin B$.
D(2|0) sum: 2
C'(1|1)
A circular sheet of paper with radius of $6$ cm is cut into three congruent sectors. What is the height of the cone in centimeters that can be created by rolling one of the sections until the edges meet? Express your answer in simplest radical form.
The vertices of a convex pentagon are $(-1, -1), (-3, 4), (1, 7), (6, 5)$ and $(3, -1)$. What is the area of the pentagon?
Find $BC$ in the following triangle, to two decimal places.
