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Sagot :
Answer:
Value of x = 11 ° , ∠B = 108° ,∠C = 36° ,∠D = 36°
Step-by-step explanation:
Given :
In ΔBCD , BC = BD And ∠B= (13x-35)° , ∠C= (5x-19)° ,∠D=(2x+14)°
To Find :
value of x and ∠D , ∠B and ∠C
Solution:
∵ BC=BD , So ∠C = ∠D
Therefore 5x-19 = 2x+14
3x = 33 , ∴ x=11°
So, ∠B = (13×11) - 35 = 108°
∠C = (5×11)-19 = 36°
∠D= (2×11) +14 =36°
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