Find the missing dimension bass 17 cm area 18.7 cm²

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

4. find the geometric mean of 4 and 12. 24 8

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1