-2\left(-3a-4\right)+\frac{3}{5}a −2(−3a−4)+
5
3
​
a

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

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Solve the equation by completing the square. x^2+2x=17