Question

Give me the solution first. ​

Answer 1

Answer:

see if sum of all the angles in 180°

a=no

b=yes

c=yes.

d=no

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Answer 2

For any three sets of angles to be angles of a Triangle, their summation must be equal to 180°.

Thus,

(a) A = 110°, B = 25° and C = 35°

=> A + B + C must be 180°.

=> A+B+C = 110+25+35

= 170°

≠ 180°

Hence, option (a) is correct!

(b) D = 63°, E = 37° and F = 80°

=> D + E + F must be 180°.

=> D+E+F = 63 + 37 + 80

= 180°

Hence, option (b) is incorrect!

(c) X = 72°, Y = 32° and Z = 76°

=> X + Y + Z must be 180°.

=> X+Y+Z = 72 + 32 + 76

= 180°

Hence, option (c) is incorrect!

(d) P = 70°, Q = 70° and R = 50°

=> P + Q + R must be 180°.

=> P+Q+R = 70 + 70 + 50

= 190°

≠ 180°

Hence, option (d) is correct!

Therefore, the correct option is option(a) and option(d).