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The length of a rectangle is equal to...

source : algebra-online.com

The length of a rectangle is equal to…

Let

l = the length of the rectangle

w = the width of the rectangle

P = 86 cm is the perimeter

Since the length is 3 times as long as the width we have:

l = 3w

The formula for perimeter of rectangle is P = 2l + 2w thus we have:

2l + 2w = 86 divide both sides by 2

l + w = 86/2

l + w = 43

The system of equations used to find the dimensions is:

l = 3w

l + w = 43

Solving for Angle Measures of Right Triangles Flashcards

Solving for Angle Measures of Right Triangles Flashcards – The length of the hypotenuse, line segment GH, in triangle GJH measures 6 cm. Line segment JH measures 2 cm. Which is the approximate measure of angle JGH? b. 19.5° Which equation can be used to find the measure of angle FGE? b. sin(x) = 9/15.2.In open channel flow, specific energy (e) is the energy length, or head, relative to the channel bottom.Specific energy is expressed in terms of kinetic energy, and potential energy, and internal energy.The Bernoulli equation, which originates from a control volume analysis, is used to describe specific energy relationships in fluid dynamics.The form of Bernoulli's equation discussed here(a) Write a trigonometric equation that can be used to find x, and write a trigonometric equation that can be used to find y. Each equation should involve the given acute angle and the given side length from the diagram. (Do not solve the equations in this step.)

Energy-depth relationship in a rectangular channel – Wikipedia – Which equation can be used to find x the length of the hypotenuse of the right triangle? 1 See answer what's the answer ladonm6 is waiting for your help. Add your answer and earn points. danielmaduroh danielmaduroh Answer: Explanation: For any right triangle, the longest side is called the hypotenuse.Write a trigonometric equation that can be used to find X, and write a trigonometric equation that can be used to find Y. Each equation should involve the given acute angle in the given side length from the diagram.Which equation can be solved to find one of the missing side lengths in the triangle? d. cos(60°) = a/12. A right triangle has one side that measures 4 in. The angle opposite that side measures 80°. Find the length of AC. Use the length to find the length of CD. What is the length of CD? Round to the nearest tenth. c. 10.7 cm.

Energy-depth relationship in a rectangular channel - Wikipedia

Solved: (a) Write A Trigonometric Equation That Can Be Use – The length of the sides of right triangle are the integers a, b, c and these integers have no common factor if a is smaller than b , b is smaller than c and (c-a) : b= 5:7, find the value of a+b+c/3 Find cube roots of 0.000343 Lenght of rectangle is 12 2/3 m and breadht is 7 3/5 . what is the area Measure and write the length of the four sidesThe length of a rectangle is 4 cm greater than its width. The perimeter is 24 cm. Find the area of the rectangle. Let the width of the rectangle be W. Then L = W+4.This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. The equation 2a + b = 15.7 can be used to find the side lengths. If one of the longer sides is 6.3 centimeters, what is the length of the base?

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