Consider this right triangle with given measures. measures what is the unknown leg length? pythagorean theorem: a2+b2=c2 122+b2 = 152 144 + b2 = 225 b2 + 81 b = cm

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Which is the focus of a parabola with equation y2=4x

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?