Answer:
x= -3/16
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Find the total ° of the shape.
(5-2) x 180°= 540°
x+21°+x = 540°-105°-154°-88°
2x+21° = 193°
2x = 193°-21°
2x = 172°
x = 172° ÷ 2
x = 86°
The 2 legs of the triangle could be 12 and 9 (they would fit the Pythagoras theorem).
The first choice fits these reuirements
Answer is (-5, 6), (-5, -6) (4,-6)
Answer:
621
Step-by-step explanation:
23(39-12) > 23(27)
23(27)= 621
2. 
3. 
7. CPCTC
8. Theorem: If opposite sides of a quadrilateral are both parallel and congruent, then the quadrilateral is a parallelogram.