Question

in the given figure AB parallel CD determine angle BOC​

Answer 1

Answer:

60⁰

Step-by-step explanation:

Draw a line parallel to AB and BC passing through point O. Name the line as XY

If XY is parallel to AB, then

angle BOX+angle ABO will be 180⁰ as they become co-interior.

so, angle BOX+angle ABO = 180⁰

BOX +110⁰= 180⁰

BOX= 70⁰

Similarly DCO+ COY = 180⁰ (co-interior)

COY = 180⁰-130⁰

COY = 50⁰

XY is a straight line,

so BOX + COY + BOC = 180⁰

BOX = 180⁰-50⁰-70⁰

BOX = 60⁰

Answer 2

Answer:

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