Question

Can anyone solve this with explanation ASAP!!!..

Answer 1

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Answer 2

Answer:

1) 90°

2) 40°

3) 50°

Step-by-step explanation:

let 5:4 be 5x and 4x

then sum of two adjesent angle is 180°

5x+4x=180

9x=180

x=180/9

x=20°

5x=5×20=100°

4x=4×20=80

opposite angles are equal

angle A= angle C

oc is bisector

angle OCD =100/2=2

od is bisector

angle odc =80/2=40

by angle sum property of triangle

angle odc +angle ocd +angle doc= 180°

50+40+angle doc = 180

90+ angle odc =180

angle odc=180-90

angle odc = 90°

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