Starbae247
Starbae247
25-02-2019
Mathematics
contestada
please answer questions 1-3
Respuesta :
pushpa129
pushpa129
25-02-2019
base angle of isoseles triangle are equal then,
a)70°+70°+a=180°(sum of interior angle of triangle )
140°+a=180°
a=40°
b)50°+2d=180°
2d=130
d=130/2
d=65
c)28°+28°+x=180°
56°+x=180°
x=124
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