Question

hi guys please answer it fast its urgent

Answer 1

There are 28 straight lines.

PT, PQ, QU, RU, RS, ST, TV, VW, WX, XU, TW, VX, WU, TX, VU, TU, PV, VS, PS, QX, XR, QR, PW, WR, PR, QW, WS, QS

And there are 22 triangles.

ΔPVT, ΔPVW, ΔPQW, ΔQXW, ΔQXU, ΔTVS, ΔSVW, ΔSWR, ΔRXW, ΔRXU, ΔPTW, ΔQWU, ΔTWS, ΔWUR, ΔPTS, ΔQUR, ΔPSR, ΔQSR, ΔPQS, ΔPQR, ΔPWS, ΔQWR

Hope it's enough.