The plants used 17440 Calories of energy.
X = 45.
Since opposite exterior angles are congruent, you can set the 2 values equal to each other. When you solve for x, you should get 45.
Answer:
143
Step-by-step explanation:
x-31=112
Add 31 to both sides,
x - 31 = 112
+31 +31
-31 and +31, cancel out so we're left with...
x = 143
Answer:
21.5
Step-by-step explanation:
→_→
It did not say if if it was a acute triangle or a obtuse triangle
