Question

13. In the given trapezium ABCD,AB//DC ,Find angal C And angal D​

Answer 1

Step-by-step explanation:

since AB and DC are parallel

•°•m/__ADC+m/__DAB=180°

•°•m/__ADC+55°=180°

•°•m/__ADC=180°-55°

•°•m/__ADC=125°

and

•°•m/__DCB+m/__CBA=180°

•°•m/__DCB+90°=180°

•°•m/__DCB=180°-90°

•°•m/__DCB=90°

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