Answer:
x = 4.52984
Step-by-step explanation:
Since the triangle has a right angle you need to use the the trigonometric function cos (theta which is the angle given that isn't 90°) = adjacent / hypotenuse (adjacent is the side close to the angle you're using which is 22° and the hypotenuse is the longest side of the triangle that is in the away from the right angle)
From there you plug in the numbers which now become cos (22°) = 4.2 / x
Then you isolate the x by multiplying it to both sides so it's on the left and divide both sides by cos (22°) which will end you up x = 4.2 / cos (22°)
Then you just divide and you 4.52984
Answer:

Step-by-step explanation:
Using the Pythagorean theorem, you can find the length KP:
KP = √(45² -36²) = √729 = 27
The area of ALP is the same as the area of AKP:
(1/2)(KP)(KA) = (1/2)(27)(36) = 486 . . . . square units
The correct answer is 44.4%
Answer:
ΔEDC CNBD
Step-by-step explanation:
The triangles show AAA, which cannot be used to demonstrate congruency
Answer:

Step-by-step explanation:
Given

Required
Factor

Factor out 

<em>The expression cannot be further factored</em>