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TIMO 2018 - Senior Secondary (Grades 10-12) - Preliminary Round - Paper 4 Question 18

TIMO · TIMO 2018 - Senior Secondary (Grades 10-12) - Preliminary Round - Paper 4

Question 18

In triangle $ABC$, $BC=10$, $AB=13$ and $\angle ABC=45^\circ$. Find its area.
  1. $65\sqrt2/2$
  2. $65\sqrt2$
  3. $130\sqrt2$
  4. $65/2$