Find the value of the variable in each triangle, Round all anges to the nearest degree and all side lengths to the
nearest tenth
409
500

You must find the surface of the block therefore 98187 dived by 5628 = 583m squared

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

Aand b are correctly balanced reactions. they have the same number of atoms in both sides of the reaction