Find the area of the region bounded by the ellipse whose equation isx^2/a^2+y^2/b^2=1Let a and b be positive numbers.

Find the area of the given figure.翻译 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 volume.Find the volume and surface area of a right prism of height 20 cm whose base is a square of side 15 cm. find the area under the curve of y=|x|between x=-1 and x=1 the figure,AEC and BED are straight lines.If the area of △ABE is 4 cm^2 and the .in the figure,AEC and BED are straight lines.If the area of △ABE is 4 cm^2 and the area of △BCE is 6cm^2 , find the area of △CDE. 求解 In the figure, the area of the shaded region is 75 cm square. Find the value of y.图形请见上方. area在What’s the area of your garden 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? find the controller you lost in this area.现在就要! 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 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 what's the area of Xingjiang是什么意思 怎么翻译in the area of? 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 three circles of equal radius r are pairwise tangent.find the area of the shape which is contained by the arcs of the circles which start and end at the points of tangent.Thank you. 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