CDEF is a rectangular piece of paper. Corners E and F are folded upwards as shown. ∠EHJ = 15° and ∠FHE = 13 °
- Find ∠EJH
- Find ∠FHE
(a)
∠EJH
= 180° - 90° - 15°
= 75° (Angles sum of triangle)
(b)
∠FHE
= 180° - 13° - 13° - 15° - 15°
= 124° (Angles on a straight line)
Answer(s): (a) 75° (b) 124°