Find the area of a triangle with sides of 66.9 and 78.9 centimeters,and the included angle of 37.9

英语翻译Find the circumference of a circular disk whose area is 100pi square centimeters Find the area of a triangle with sides of 66.9 and 78.9 centimeters,and the included angle of 37.9 Find the area of the given figure.翻译 Find the volume.Find the volume and surface area of a right prism of height 20 cm whose base is a square of side 15 cm. Don＇t swim in the （ ）（a small area of waterDon＇t swim in the （ ）（a small area of water） A room is 6m long,5m wide and 3m high.If the total area of the door and windows is 4平方米,find the total area of the walls inside the room? A room is 6m long,5m wide and 3m high.If the total area of the door and windows is 4平方米,find the total area of the walls inside the room? 1）The sum of the area s of two circles is 65pi square feet.The length of a radius of the larger circle is one foot less than twice the length of the radius of the smaller circle.Find the length of a radius of each circle.2) The combined area of a s 一道数学题,用到初级微积分A right circular cylinder is inscribed in a sphere of radius r.Find the lagest possible surface area of such a cylinder. the width of a rectangle is 7 cm shorter than the length .if the perimeter of the rectangle is 38 cm ,find(a) the width(b) the length(c) the area of the rectangle 根据英语写数学题1、A rectangle of 4cm long has the same area as a square of side 8cm.Find the perimeter of the rectangle.( )2、45 rows of square are use for a playground.In each row,there are 32 bricks,If each area of a brick is 0.8㎡,find 急!懂英语和数学的来啊!The length and width of a rectangle are 12cm and 5cm respectively. If the length is increased by 50% and the width is decreased by 20%.(a)Find the original area of the rectangle.(b)Find the new area of the rectangle.(c 45 rows of square are use for a playground.In each row,there are 32 bricks,If each area of brick i45 rows of square are use for a playground.In each row,there are 32 bricks,If each area of brick is 0.8 ㎡，find the area of the playground.要答案 英语翻译A right triangle is inscribed in a circle with radius 26 cm.IF the length of one of the legs of this triangle is 20 cm,find the difference between the area of the circle in which the triangle is inscribed and the area of the inscribed cir 代数应用题!In the figure,the length and the width of a rectangle are 5 cm and y cm respectively.Find the area and the perimeter of the rectangle. A sheet of tin is cut so as to form a circular ring that has an area of 18 square inches.The total outer and inner perimeters of the ring measure 36 inches.Find the inner radii and the outer radii of the ring.Use area of circle=派r^ circumference=2 英语翻译John measures the size of a rectangular comouter monitor.He find that the length is 35.2cm and the breadth is 4.7cm shorter than its length.What is the area of the computer monitor? 英语翻译1．According to the data,find the total area of Hong Kong,round off the answer correct to the nearest 100km(平方)2．A steck of 180 sheets of paper is 1.5cm thick.Find the thickness of each sheet of paper in mm,round off the answer cor