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Area and perimeter of square, rectangle, triangle and circle.Find area and perimeter of square with side a=6.Find area and perimeter of square if diagonal d=5.Find area and perimeter of rectangle with
Area and perimeter of square, rectangle, triangle and circle.
- Find area and perimeter of square with side a=6.
- Find area and perimeter of square if diagonal d=5.
- Find area and perimeter of rectangle with sides a=11 and b=7.
- Find area of rectangle if one side is 8 , and perimeter is 26.
- Find area of triangle if one side is 20 and height from that side is 12.
- Find area of right triangle if sides (that make right angle) are a=6, b=3.
- Find area and perimeter of right triangle if side a=15 and hypotenuse c=17.
- If we have equilateral triangle (3 same size sides) and a=6.5 calculate area and perimeter.
- If perimeter of equilateral triangle is 6 , find area.
- If diameter of circle is d=100 find area and perimeter.
- If area of circle is 30, find diameter, radius and perimeter.
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****** ****** with **** a=6Area ** ****** ** ***** ** ******* ******* ************* ****** have * ***** ********* ***** P=4*6 *********** Diagonal d=5 *** ** have ******* or ******** *************************************** for calculating **** ** ****** ** ******** ** ******************** * **** ******* *** d)a=5/squreroot(2)a=5/141a=355So ** haveA=355^2=126Perimeter:P=4*a=4*355P=142Third) Rectangle **** ***** a=11 *** ******* **** ** ******** ** *** ********* ** given ** A=a*bSo ******************* ** P=2*a+2*b ***** ***** *** * ***** ** ******* ************************** *************** ********* ************ ****** **** ******* ********************************************************* ** **** * *** b **** ******************** ** have **** *** h=12And formula ** ************************** Right ******** ***** a=6 ****** ** have that * *** b **** ***** ***** ** b ** ****** for aFormula *** **** ** ******** ** ************************************ of **** ******** is * **** * ****** P=a+b+cwe **** **** c ***** *********** ******* will ****************** ********************************************* **************************************** ***** ************* **** ********** ****** **** * and b *** **** ************************************************************************************ we *** find area *** ******************************* *************************** *********** ********* ***** ************ ********* *** easy:P=3*aP=3*65P=195Area ****** ** * formula A=(a^2*sqrt(3))/4A=(65^2*173)/4A=4225*173/4A=731/4A=1827Ninth) *********** triangle perimeter *********** ******** 6=3*aa=2Area ** A=(a^2*sqrt(3))/4A=(4*173)/4A=173Tenth) Circle: formulas:A= r^2* ****** ** ***** πDiameter ***** ** perimeter **** π **************** we ******************************** ************************************* We have ****** with area A=30d=?r=?P=?Its easy:A=r^2* **** ****** ***** r=sqrroot(A/ ** *** π ******************************* have radius **** *** ********** easy to find:d=2*r=2*31d=62Perimetrer ************** ****************