instruction:
Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.
question:
Tagalog sentence: ... isang mahaba at matagal imbestigasyon, na kung saan kinakailangan marami kasakdalan ng detalye pati na rin ang katalinuhan ng mga kuru-kuro.
answer:
... a long and sustained investigation, which required much perfection of detail as well as brilliance of conception.

question:
Tagalog sentence: Dapat ito ay sinabi rin na ang karamihan ng historians tanggapin na ang Catholic Church ay ang unang Simbahang Kristiyano bilang na ito ay napapatunayan mula sa sinaunang mga teksto.
answer:
It should also be said that the majority of historians accept that the Catholic Church was the first Christian Church as it is verifiable from ancient texts.

question:
Tagalog sentence: 1 ay isang kuwerdas ng isang bilog na tulad na at . Hayaan ay ang sentro ng bilog.
answer:
1 is a chord of a circle such that and . Let be the centre of the circle.