Answer:
So we have two given angles- 31* and 43*.
First we add those together.
31* + 43* = 74*
Then, we subtract that amount from 180*
180* - 74* = 106*
106* is the missing angle.
x106* - 31* = 75*
x106* + 43* = 149*
~Hope this helps~
Just remember that
1meter=100 cm
81.66m=81.66*100=8166 cm
Step-by-step explanation:
3y +4 =5y -10
2y = 14
y = 7
DEF = (3Y+4)× 2 OR (5Y-10) ×2 OR (5Y-10+ 3Y+4)
Def= (3 ×7+4)×2
=50 degree
2 1/4 (2.25) is your answer
