Answer:
170°
Step-by-step explanation:
We can already see that measure ∠AD is equal to 85
A square has two halves, so this square will be added.
We will have to add 85 + 85 which equals 170°
Answer:
Part A:the sum of Side 1 and Side 2= 5x^2+7x-4 Part B all you have to do is the same thing, but subtract the sum of side 1 and 2 from the total. part c they are closed under subtraction.
Step-by-step explanation: