Souvenir hats, T-shirts and jackets are sold at a concert. Three hats, two T-shirts and one jacket cost $140. Two hats, two T-shirts and two jackets cost $170. One hat, three T-shirts and two jackets cost $180. Find the price of each individual item.

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

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

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation:

explanation:

step-by-step explanation: