Question

A=90 ,B=2x+4,C=3x-5,D=8x-15 Find X,B and C​

Answer 1

Answer:

the answer is 89/5

Step-by-step explanation:

fun !!!

Answer 2

Step-by-step explanation:

A = 90

B=2x+4

C=3x-5

D=8x-15

we know ∠A + ∠B + ∠C + ∠D = 360°

90° + (2x+4)° + (3x-5)° + (8x-15)° = 360°

270 = 13x° - 16

13 x = 286

x = 22°

B = 2x +4 = 2(22)+4 = 48°

C = 3x-5 = 3(22)-5 = 61°