Hey I need help with these two questions please!

Itati

New member
Find the area of a triangle with sides of length 10cm and 22cm and the included angle 101 degree. Round your answer to the nearest hundredth.

Subhotosh Khan

Super Moderator
Staff member
Find the area of a triangle with sides of length 10cm and 22cm and the included angle 101 degree. Round your answer to the nearest hundredth.
Find the length of the third side using Law of cosine and then Heron's formula for area.

Please show us what you have tried and exactly where you are stuck.

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Area of triangle ABC $$\displaystyle =\frac{1}{2}$$ a b sin(C)