Answer:
30 cm
Step-by-step explanation:
add all sides and use 7 for the bottom line because 5+2=7 and use 8 for the side because 5+3=8.
Answer:
9x+4
Step-by-step explanation:
remove the parentheses
Since they share the same angle measurement, and 4 is smaller than 158 degrees, you subtract 158 from 180 and angle 4 = 22 degrees
Answer:
<h2><em><u>2a</u></em></h2>
Step-by-step explanation:
(a+b-c)-(b-a-c)
= a + b - c - b + a + c
= a + a + b - b - c + c
= <em><u>2a (Ans)</u></em>
