I tried solving it but I get them wrong. I forgot the formula to solve them.
2 answers:
Plain and simple. Answer is B. :-)
You need to work out the other angles first, before working out the values of; a, b and c. ∠x = 180 - 139 [∠'s on a straight line] thus, ∠x = 41° ∠y = ∠x [corresponding angles] ∴ ∠y = 41° ∠h = 180 - (41 + 77 + 36) [∠'s on a straight line add to 180°] ∠h = 26° ∠p = ∠h + 77° +∠y [corresponding ∠'s] ∴ ∠p = 26 + 77 + 41 ∠p = 144° ∠a = 180 - (26 + 77 + 41) [∠'s on a straight line] ∠a = 180 - 144 thus, ∠a = 36° ∠c = 36 + ∠h [corresponding ∠'s] ∠c = 36 + 26 ∴ ∠c = 62° ∠b = 180 - ∠c [∠'s in a straight line add to 180°] ∠b = 180 - 62 thus, ∠b = 118° Hope you followed through. :)
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