Question

in the following rectangle ABCD ,find x​

Answer 1

1 x + 70 + 30 = 180

x + 90= 180

x = 90 degree

2

Answer 2

Answer:

40 & 10

Step-by-step explanation:

in first figure, the triangle OCB formed is isoceles so 70*2+x=180

thus 40

in second figure the triangle is isoceles as well so x+80=90

thus 10