Answer:
1 is 2x45
2 is x348
3 is x78
4 is x89
Step-by-step explanation:
Answer:
D. Yes The Triangles ARE ≅
Step-by-step explanation:
By definition equilateral triangles have all equal angles and sides. Since they share a side that means one of each triangle's sides are congruent. Using the transitive property (if side a ≅ side b and side b ≅ side c, then side a ≅ side c), you can prove that all other sides are congruent or equal in measure, no matter how you pair them.
<span>b.14(7x3 - 1)13(21x2) + 49(x2 + 50)48(2x)</span>
Answer:
Option A
pi over 
Step-by-step explanation:
Step 1
Find the circumference of the tire

where
D is the diameter of the tire
In this problem we have

substitute the value


Remember that
subtends the complete circle the arc length 
so
by proportion
Find how far does the rock travel in
of rotation

Simplify
