Question

the angle of triangle are (2x-7)°,(x+25)°and 78°,find the measure of the angle​

Answer 1

Answer:

$measure \: of \: all \: angles \: of \: triangle \: is \: {180}^{0} \\ {(2x - 7)}^{0} + {(x + 25)}^{0} + {78}^{0} = {180}^{0 } \\ 2x +x - 7 + 25 + {78}^{0} = {180}^{0 } \\ 3x + 96= {180}^{0} \\ 3x = {180}^{0 } - 96 \\ so \: \: \: x = \frac{84}{3 } \\ = 28$

here is your answer ..........

Mark me as brainlist ...............................

Answer 2

Answer:

2x-7+x+25+78=180

3x+103-7=180

3x+96=180

3x=180-96

3x=84

x=28

put the value of x

2×28-7

56-7

49

.....

28+25

53

......

hope it will help you alot

mark me as a brainlist:)