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प्रश्न
In the following triangle, find the value of x
उत्तर
Let ∠Z = (2x + 1)° and ∠Y = 90°
By the sum property of triangle we have
∠x + ∠y + ∠z = 180°
29° + 90° + (2x + 1)° = 180°
119° + (2x + 1)° = 180°
(2x + 1)° = 180° – 119°
2x + 1° = 61°
2x = 61° – 1°
2x = 60°
x = `(60^circ)/2`
x = 30°
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