Question

OA, OB ,OC , OD , OE and OF are six roads and meeting at a point O. These roads make angles <a ,<b , <c , <d and <d and <e . Roads OD and OE are perpendicular to each other. AD and CF are straight lines and meet each other at O. <a:<b:<c = 2:3:4. 1. What is the angle between OB and OC roads? *
1 point
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20⁰
40⁰
60⁰
80⁰​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

the angle between road OB and OC is