30 60 90 triangles Study guides, Class notes & Summaries

The eleventh month of the year is: A. January B. November C. October D. May - ANSWER-The correct answer is (B). The eleventh month of the year is November. A shop owner bought some shovels for $5,500. The shovels were sold for $7,300, with a profit of $50 per a shovel. How many shovels were involved? A. 18 B. 36 C. 55 D. 73 E. 90 F. None of these - ANSWER-The correct answer is (B). The total profit from the sale is the selling price minus the cost of purchase, which is $73...

Math (305 Content Exam Questions & Answers 100%Accurate! Area of a circle = - ANSWERSπr² Circumference of a circle - ANSWERS2πr Area of a rectangle = - ANSWERSL x W Area of a triangle = - ANSWERS1/2 x bh Pythagorean Theorem - ANSWERSa²+b²=c² Special Right Triangles (degrees) - ANSWERSrefers to the 45-45-90 and 30-60-90 right triangles Volume = - ANSWERSL x W x H Volume of a cylinder = - ANSWERSπr²h Volume of a sphere = - ANSWERS4/3πr³ Volume of a cone = ...

SAT Practice Test with Answer Key with Complete Solutions. The practice tests included with this workbook have been designed to give you the real “game day”-type practice you need to succeed on the SAT. When you take the practice tests, you should try to replicate the conditions of an actual SAT testing situation. Key points to consider are: • Make sure you have a long block of time where you can concentrate on the test without interruption. • Use the answer sheets provided in th...

SAT Practice Test with Answer Key with Complete Solutions. The practice tests included with this workbook have been designed to give you the real “game day”-type practice you need to succeed on the SAT. When you take the practice tests, you should try to replicate the conditions of an actual SAT testing situation. Key points to consider are: • Make sure you have a long block of time where you can concentrate on the test without interruption. • Use the answer sheets provided in th...

WGU C972 College Geometry 100% Correct Area of a Circle A=πr² Arc Length Formula L = 2πr (m⁰/360⁰) Circumference of a circle 2πr or πd Area of a sector Area of a Sector = (central angle/360) x πr² Midpoint formula (x₁+x₂)/2, (y₁+y₂)/2 Distance Formula d = √[( x₂ - x₁)² + (y₂ - y₁)²] slope-intercept form y=mx+b point-slope form y - y1 = m(x - x1) intercept form x/a + y/b = 1 general form Ax + By + C = 0 definition of a tetrahedron closed solid structure fo...

Science Olympiad Meteorology Exam Questions And Answers air mass - answera huge body of air that has similar temperature, humidity, and air pressure at any given height and a source region. Remember cP, cT, mP, mT, cA continental polar (cP) - answercold, dry stable air mass that forms over land continental tropical (cT) - answerunstable, warm, dry air mass that forms over land Winter - warm and dry Summer - Hot and dry maritime polar (mP) - answerunstable cold, moist air mass that forms ...

Accuplacer Exam 136 Questions with Verified Answers Define - "ordered pairs" - CORRECT ANSWER = (x, y) = a single point on a coordinate plane Define - "origin" - CORRECT ANSWER = (0,0) = the point where two axes meet Explain - "quadrants" - CORRECT ANSWER = when the two axes (x and y) cross they form 4 quadrants Explain what - "the distance" means Define - "distance formula" for a line(s) - CORRECT ANSWER = "distance" - the length between two points on a plane - (x1...

Area of a circle = correct answers πr² Circumference of a circle correct answers 2πr Area of a rectangle = correct answers L x W Area of a triangle = correct answers 1/2 x bh Pythagorean Theorem correct answers a²+b²=c² Special Right Triangles (degrees) correct answers refers to the 45-45-90 and 30-60-90 right triangles Volume = correct answers L x W x H Volume of a cylinder = correct answers πr²h Volume of a sphere = correct answers 4/3πr³ Volume of a cone =...

ACT Test Prep Math Concepts 104 Questions with Verified Answers Undefined - CORRECT ANSWER division by zero; a/bc is ___ if b or c is equal to zero real number - CORRECT ANSWER number that has a location on the number line imaginary number - CORRECT ANSWER on the ACT, ___ numbers involve the square root of a negative number; square root of -4 integer - CORRECT ANSWER this is a whole number.. includes negative whole numbers and zero rational number - CORRECT ANSWER a number that...

math final study material Question and answers 100% correct The longest side of an isosceles obtuse triangle measures 20 centimeters. The other two side lengths are congruent but unknown. What is the greatest possible whole-number value of the congruent side lengths? - correct answer 14 cm A theater production group is making frames to support wall-like props. Three-foot beams form right triangles with 10-foot beams to allow them to stand, as shown in the image. What is x, the angle a...