HELP QICK AH ∥
BE
, A and B ∈
FG
, J ∈
BE
, C and D ∈
AH
; m∠HCJ=140°, m∠ADJ=3x, m∠CJD=x

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

this is false ^.^ lol

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

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