Question

If two angles of a triangle are 0.2π and 0.7 π radians ,find the third angle in degree?
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Answer 1

Step-by-step explanation:

0.2 pi×180÷pi=36

0.7 pi×180÷pi=126

so,

36+126+x=180

162+x=180

x=180-162

x=18

three angels are 18,36& 126..