What is the area of this triangle ?​

not a triangle, but ok

19.35

Step-by-step explanation:

you can cut off the triangle at the dotted line. put it on the other side, and you have a rectangle. 4.5x4.3=19.35

the "5cm" is a red herring. and accurate red herring, but a red herring nonetheless.

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: