Các câu hỏi tương tự
The perimeter of a rectangle is 34 cm. If its length is increasing 5 cm and its width is increasing 3 cm then the area is increasing 80 . Find the original area of the rectangle.
Answer: The original area of the rectangle is ........ cm2
The perimeter of a rectangle is 34 cm. If its length is increasing 5 cm and its width is increasing 3 cm then the area is increasing 80cm2 . Find the original area of the rectangle.
Answer: The original area of the rectangle is ....... cm2.
the length and width of a rectangle are in the ratio of 5:12. If its rectangle has an area of 240 square centimeters then what is the length in centimeters of its diagonal?
Given a square with the length of one side is 8 cm and a isosceles triangle with the length of its base is 12 cm. If the area of the square is equal to the area of the isosceles triangle then what is the length of the height of the isosceles triangle, in cm?
The area of an isosceles right triangle is 9 cm2.
Find the length of its hypotenuse.
Answer: The length of its hypotenuse is .... cm.
The area of an isosceles right triangle is 9 cm2.
Find the length of its hypotenuse.
Answer: The length of its hypotenuse is .... cm.
In a triangle of area 100cm2 , the ratio between the length of one side and the corresponding height is 1:2.
What is the length of the height, in m?
Answer: The height is...m.
(write your answer by decimal in simplest form)
Give the triangle ABC and the bisector BD, AB = 5cm, CB = 7cm. If the length of AD is 1cm less than the length of CD then the length of AC is ....... cm.
given isosceles trapezoid ABCD (AB//CD), AC is perpendicular to BD and the length of the height of the ABCD is 7 cm. What is the area of the isosceles trapezoid ABCD?