17-11-2016
Mathematics

contestada

If ADB = 70°,

then ABD =_ degrees

m∠ AB = degrees

m∠ AD = ____ degrees

If ADB 70 then ABD degrees m AB degrees m AD degrees class=

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syed514 syed514

20-11-2016

Diameter of the circle is BD as shown, as indicated and passed through center where BD passes, triangle ABD is a right triangle with angle ABD as the right angle. It means ADB and ABD are complementary which means
AB = 140 degree
AD=40 degree

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