Answer:
18.46
Step-by-step explanation:
find the area using SSS, then solve for height
Answer:
the first one
Step-by-step explanation:
The correct one is the one in the top left corner.
A great website to find out things like this is
https://www.mathpapa.com/algebra-calculator.html
Answer:
144
Step-by-step explanation:
2( 1/2 × 3 × 4 ) + ( 11 × 5) + ( 11 × 4 ) + ( 11 × 3)
= 12 + 55 + 44 + 33
= 144
Notice the picture below
x = 1 and y = -1
now... recall your SOH CAH TOA

now.. what's the value for "r" or the radius? well, using the pythagorean theorem