Answer:
77
Step-by-step explanation:
10*2+9+3*4^2
10*2+9+3*16
20+9+48
20+57
77
Answer:
30°
Step-by-step explanation:
Remember, all the interior angles of a triangle add up to 180 degrees. Therefore, we can find the value of x by subtracting the values of the other angles from 180:


Answer:
<h3>ᎪꪀsωꫀᏒ</h3>
x= 7
Step-by-step explanation:
2x=14
x= 14/2
x= 7
Answer:
X=7 ST=11 RT=17
Step-by-step explanation:
RT=RS+ST. RS= 2(7)-8. ST=11
X+10=2x-8+11. =14-8=6. RT= x+10
X+10=2x+3. RS=6. 7+10=17
10=x+3. RT=17
X=7