012. The measures of two angles of a triangle are 72 degree and 58 degree find the third angle
013. Find the sum of -18, +25 and -37
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Answered by
1
Answer:
2. measure or third angle =180-(72+58)
=180-130
=50
3.-18+25+(-37)
=-18+25-37
=25-18-37
=25-55
=-30
Answered by
1
Answer:
Ans 12- We know that the sum of all the angles of a triangle is 180, so:-
72° + 58° + x = 180°. ( let the third angle be x)
130° + x = 180°
x = 180°-130°
x = 50°
Ans 13 - (-18)+25+(-37)
7-37
-30
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