Please Help me with this, will mark brainliest if correct

110

Step-by-step explanation:

Using pythagorean theorm

c^2 = a^2 + b^22

610^2  = 600^2 + b^2

372100 = 360000 + b^2

b^2 = 12100

b = 110

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value