Each row contains the degree measures of two complementary angles. Complete the table.
For the last row, think of what you need to subtract to find any number.
This will be an expression.

d 600 because 15*10*2=300

300+300=600

step-by-step explanation:

angle efh= angle egh

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.