Answer:
cscA = 
Step-by-step explanation:
Using the identity
csc x =
, then
sinA =
=
=
=
, thus
cscA =
= 
Answer:
128
Step-by-step explanation:
7×8=56
12×6=72
56+72=128
Answer:
50%
Step-by-step explanation:
If there are 4 parts to the spinner, 4 is the whole. Since there are 2 even numbers (2&4), the fraction would be
, which is simplified to
. And because
could also turn into
, the percentage is 50%.
Hope this helps :)
Given:
Room is 5 meters by 8 meters.
Measure of squaree tiles is 14-inch.




Approximately 316 tiles are required to floor the room.
Answer:
Option A.

Step-by-step explanation:
see the attached figure with letters to better understand the problem
In this problem we have a triangle with a circle inscribed in it
so

step 1
Find the length side B.C

substitute the given values

step 2
Find the length side C.D
Remember that

therefore

step 3
Find the length side E.D
we know that

substitute the given values

step 4
Find the length side E.F
Remember that

therefore

step 5
Find the length side A.F
Remember that

therefore

step 6
Find the perimeter

