A parallelogram with all sides of equal length without any right angles is called a/ an -rhombus
-square
-trapezoid
-rectangle

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Which number line correctly shows 0.8 + 0.3?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000