Victory for the ACT Exam 16e TG Sample

U NIT 4 | G EOMETRY • 525

STUDENT TEXT, p. 191

EXPLANATIONS Th oa vbeems ua rr ek,etdh ei nacnhsews eorr sche enet itmd eoteesr sn,obt u t tmh ee ans, us tr ue dmeennt tss w—i lbl ansoetdnoene dl e tnhgetmh s. R e l a t i v e provided in the �igure accompanying an ictoenmc lsutseimo n—s wr eigl labr de i enng ol ue ng hg tthos .dSrtauwd ebnatssi c s p h o o s u si l b d il k it e i e e p s f t o h r ei m r e m a i s n u d r s em op e e n n t t s o ho th rt e cuts. 34. (G) Mathematics/Geometry/Triangles/ Pythagorean Theorem CC: 8.G.B.7 CCRS: AVG+.G.8 Difficulty Level = 1; Teaching Time = 3–6 minutes; Purpose = Walkthrough UprsoeptehretiPeystohfaago3rean theorem or the − 4 − 5 right triangle. Triangle ABC is a 3 − 4 − 5 triangle with a multiplier of 10, so AC must be 50. Ap al tpeer rn at ot i vmeel ya, suusree tiht .eMe adrgke oofff at hseh edei st toafn c e from point A to point C like this:

34. In the �igure below, what is the length of AC ?

F. 30 2 G. 50 H. J. 75 60 2

Nt hoewp, amp ee ar saugraei nt hs te odni se t oa nf tche eo dn i st ht aenecde gs ei no f the problem: Repeat until you have the full measure of : AC 0 50.