class 9 information technology question
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Subtract the two known angles from
180
°
:
180
°
−
37
°
=
143
°
143
°
−
24
°
=
119
°
c
=
119
°
Plug the two angles into the formula and use algebra:
a
+
b
+
c
=
180
°
37
°
+
24
°
+
c
=
180
°
61
°
+
c
=
180
°
c
=
119
°
180
°
:
180
°
−
37
°
=
143
°
143
°
−
24
°
=
119
°
c
=
119
°
Plug the two angles into the formula and use algebra:
a
+
b
+
c
=
180
°
37
°
+
24
°
+
c
=
180
°
61
°
+
c
=
180
°
c
=
119
°
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