Answer:
she added 11 plus 10 wrong
Step-by-step explanation:
11 plus 10 = 21
(180-30)/2 would be the equation and the answer is 150/2
Explaining- when you look at the vertex to the other vertex you see the length and that is when you multiply
Answer- A
Answer:
My guess is 21
Step-by-step explanation:
Answer:
Area under the graph = 6 sq.units
I've shown the complete calculation over the attached page