Answer:
1) 69
2) 126
3) 75
Step-by-step explanation:
sum of interior angles = (n-2) * 180
where n = # of sides
for #1, n = 4
sum of interior angles= (4-2) * 180 = 360
56 + 131+ 104 + a = 360
a = 69
for #2, n = 4
95 + 72 + 67 + m<R = 360
m<R = 126
for #3, n = 5
sum of interior angles= (5-2) * 180 = 540
116 + 112 + 132 + 105 + m<1 = 540
m<1 = 75
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Answers & Comments
Answer:
1) 69
2) 126
3) 75
Step-by-step explanation:
sum of interior angles = (n-2) * 180
where n = # of sides
for #1, n = 4
sum of interior angles= (4-2) * 180 = 360
56 + 131+ 104 + a = 360
a = 69
for #2, n = 4
sum of interior angles= (4-2) * 180 = 360
95 + 72 + 67 + m<R = 360
m<R = 126
for #3, n = 5
sum of interior angles= (5-2) * 180 = 540
116 + 112 + 132 + 105 + m<1 = 540
m<1 = 75