Question

plssss finddddd pllllls ​

Answer 1

Answer:

<b=85

<c=105

<a=30

Step-by-step explanation:

<prs+<prt=180.............angles in linear pair

115+<prt=180

<prt=180-115

<prt=65

<b+30+65=180...............sum of all angles in tri is 180

<b+95=180

<b=180-95

<b=85

<b+<c=180........angles in linear pair

<c =180-85

<c= 105

<c+<a+45=180........sum of alll angles in tri is 180

105+45+<a=180

150+<a=180

<a=180-150

<a=30

Answer 2

Using exterior angle sum property In ∆PTR,

30+b = 115

b = 85

Using exterior angle sum property In ∆PQT,

a+45 = b

a+45 = 85

a= 40

Using angle sum property In ∆PQT,

a+45+c = 180

40+45+c = 180

c= 95

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