The Earth is 40,066 kilometers in circumference. What is the circumference of the Earth in miles? (Round your answer to the nearest whole number and do not include units or commas in your answer.) Note: There are 1.609 kilometers in a mile.

think the answer is 30 degrees. if not than it is 20 degrees. not 100% sure. let me know if it was right.

gill russ

m∠abd = m∠dbc

step-by-step explanation:

given : ab bisects ∠dbc

as we know that bisection means ab divides   ∠dbc   in two equal angles named as   ∠dba and   ∠abc

so, m∠abd = m∠dbc  

because ab bisects ∠dbc.

hence , the first statement m∠abd = m∠dbc is true.