When was the current Texas Constitution ratified?

The Texas Constitution of 1876 has how many articles?

After the Texas voters ratified secession from the Union on February 23, 1861, the Secession Convention met to make changes to the Constitution of 1845 in order to join the United States of America.Group of answer choicesTrueFalse

Which Texas constitution had the governor’s term for two years, and was made ineligible for more than four years in any period of six years, was required to be a citizen and a resident of Texas for at least three years before the election and to be at least thirty years of age?Group of answer choicesConstitution Of Coahuila And Texas (1827)Federal Constitution of the United Mexican States (1824)Constitution of the Republic of Texas (1836)Constitution of 1845

The Constitution of 1845, which provided for the government of Texas to become a state in the United States, was almost twice as long as the Constitution of the Republic of Texas.Group of answer choicesTrueFalse

What are the sources of Constitutional Law in Texas?