alexabrandon1848
05.11.2020 •
Mathematics
Find the measure of angle B
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Ответ:
Step-by-step explanation:
side AB is congruent to side AX
this means that the angle ∠A = 4x is the same angle as ∠Z
therefore ∠A = ∠Z = 4x
inside angle of a triangle = 180
∠A + ∠B + ∠Z = 180
4x + 7x + 4x = 180
15x = 180
x = 180/15
x = 12
now substitute x = 12 into angle B
∠B = 7x
∠B = 7 (12)
∠B = 84
Ответ:
Your answer would be 7.
Explanation:
x(2) + 11 = 252. 7 x 2 = 14
3. 14 + 11 = 25
4. x = 7 Therefore x=7
Hope this helps and pl mark BRAINLIEST