square roots and theorem of pythagoras review day four
TRANSCRIPT
SQUARE ROOTS AND THEOREM OF PYTHAGORASREVIEW DAY FOUR
A square and a rectangle have the same perimeters. The length of a side of a square is 2x + 3. The length of the rectangle is 4x + 1 and the width is x + 1. What is the perimeter of the square and the rectangle?
Solve for x: 25 – 4x = - 3x 3
On a number line, point S is the largest inter value that is less than the square root of 201. Point Z is the largest integer value that is less than negative the square root of 50. What is the distance between point S and Z?
https://www.youtube.com/watch?v=V6xLYt265ZM
Write out the first 20 square numbers and their square roots.
Write out the formula for the Theorem of Pythagoras.
Write out the formula for area of a triangle.
Write out the formulas for area and perimeter of a square.
Write out the formulas for area and perimeter of a rectangle.
Write out the formula for the area of a circle.
• A2 + B2 = C2
• Used to find missing side lengths of right triangles
• Pythagorean Triples
• Word Problems – multi-step (finding a missing length and then finding area or perimeter)
• Using ordered pairs to find the length of a diagonal.
The points (4, 1) and (4, - 3) are adjacent vertices of a rectangle. Two of the sides of the rectangle have a length of 10 units. What is the length of the diagonal?
The figure shows a square inscribed in a circle. The are of the circle is 81m. What is the area of the circle?a. 40.5b. 127.2c. 506.5d. 179.8