document.write( "Question 608744: 1)The hypotenuse of an isosceles right triangle is 8.4 in. Find the length of a side to the nearest tenth of an inch.\r
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document.write( "2)In a 30,60,90 degree triangle, the shorter leg is 6ft long. Find the length to the nearest tenth of s foot of the other two sides.\r
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document.write( "3)Each side of a rhombus is 14 in long. Two of the sides form a 60 degree angle. Find the area of the rhombus. Round your answer to the nearest square inch.\r
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document.write( "Thank u soooooo much, I'm trying to help my daughter :) \n" );
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Algebra.Com's Answer #383366 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1)The hypotenuse of an isosceles right triangle is 8.4 in. Find the length of a side to the nearest tenth of an inch. \n" ); document.write( "draw a picture of a isosciles right triangle. \n" ); document.write( "Label the hypotenuse as 8.4 in \n" ); document.write( "Label each of the equal legs as \"x\": \n" ); document.write( "Equation: \n" ); document.write( "x^2 + x^2 = 8.4^2 \n" ); document.write( "2x^2 = 70.56 \n" ); document.write( "x^2 = 35.28 \n" ); document.write( "x = 5.9 inches \n" ); document.write( "=====================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2)In a 30,60,90 degree triangle, the shorter leg is 6ft long. Find the length to the nearest tenth of s foot of the other two sides. \n" ); document.write( "Draw the picture of a 30/60/90 right triangle. \n" ); document.write( "Let the side opposite the 30 degree angle be 6 ft. \n" ); document.write( "--- \n" ); document.write( "Since the side opposite the 30 degree angle is 6 ft, \n" ); document.write( "the hypotenuse must be 12 ft. Lebel the hypotenuse. \n" ); document.write( "---- \n" ); document.write( "Use Pythagoras to find the 3rd side; call it \"x\": \n" ); document.write( "x^2 + 6^2 = 12^2 \n" ); document.write( "x^2 + 36 = 144 \n" ); document.write( "x^2 = 108 \n" ); document.write( "x = sqrt(108) = 10.39.. inches \n" ); document.write( "=================================== \n" ); document.write( "Note: Your daughter might know that the longer \n" ); document.write( "leg is (sqrt(3))*(shorter leg). \n" ); document.write( "If so, she may know that the longer side is 6*sqrt(3) = 10.39.. inches \n" ); document.write( "====================================\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "3)Each side of a rhombus is 14 in long. Two of the sides form a 60 degree angle. Find the area of the rhombus. Round your answer to the nearest square inch. \n" ); document.write( "--- \n" ); document.write( "Draw the picture of a rhombus (it's a lop-sided square;let it lean to the \n" ); document.write( "right). \n" ); document.write( "Label each of the smaller angles 60 degrees. \n" ); document.write( "You need to find the height of the rhombus. \n" ); document.write( "--- \n" ); document.write( "Draw a line segment from the upper-left vertex perpendicular to \n" ); document.write( "the base. That forms a 30/60/90 right triangle. \n" ); document.write( "The hypotenuse is one of the sides = 14 in \n" ); document.write( "The shorter side (base) must be 7 in. \n" ); document.write( "The longer side (height) must be 7*sqrt(3) = 12.12.. inches \n" ); document.write( "--- \n" ); document.write( "Area = (base)(height) = 14*12.12 = 169.68 square inches \n" ); document.write( "===================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |