What is the area of a triangle with a =2, b =7, and c =8?
a.
5.4 units squared
c.
6.4 units squared
b.
4.6 units squared
d.
4.2 units squared

Please select the best answer from the choices provided

A
B
C
D

The answer is C.6.4!

Step-by-step explanation:

I ran it through a triangle calculator.

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: