Answer:
210
Step-by-step explanation:
7 * 3 = 21
70 * 3 = 210
∠A=66
∠B=x
∠C=?
∠D=117
Ok, lets sovle for ∠C first.
180-117=∠C
63=∠C
Ok, now we can solve for ∠B or x.
66+63+x=180
129+x=180
-129 -129
x=51
Hope this helps! :)
Answer:
Step-by-step explanation:
divide by x-a
Answer:
113°
Step-by-step explanation:
By remote interior angle theorem:
a + 35° = a - 30° + a - 48°
a + 35° = 2a - 78°
35° + 78° = 2a - a
113° = a
a = 113°