Violympic toán 8
Các câu hỏi tương tự
Given that ABCD is a rectangle with AB = 12 cm, AD = 6 cm. M and N are respectively midpoint of segments BC and CD. Find the area of triangle AMN in square centimeters.
A trapezuim ABCD has two parallel sides AB and CD. The diagonals AC and BD intersect at E. If the areas of triangle CDE and CDB are 1 and 4 respectively, what is the area of the trapezuim ABCD
cho hình thang abcd có đáy ab và cd, biết ab=4cm,cd=8cm,bc=5cm,ad=3cm. CM: abcd là hình thang vuông
Given the isosceles triangle ABC (AB=AC) with . Draw the bisector AD and BE of angles A and B respectively. Given BE = 10cm. Evaluate AD.
Given a trapezoid ABCD with base , and . Let M, N be respectively the midpoints of the segments . Evaluate MN.
Answer: cm
Đọc tiếp
Given a trapezoid ABCD with base ,
and
. Let M, N be respectively the midpoints of the segments
. Evaluate MN.
Answer: cm
Tứ giác ABCD có AB=2,5cm;BD=5cm;AD=4cm;BC=8cm;CD=10cm.CMinh ABCD là hình thang
Cho hình thang ABCD có đáy AB và CD , biết AB = 4cm , CD = 8cm , BC = 5cm , AD = 3cm . Chứng minh : ABCD là hình thang vuông
Given a right prism ABC.A'B'C' that AB = 9 cm; BC = 15 cm; AC = 12 cm.
There are .... lines are perpendicular to the line AB.
Given a right prism ABC.A'B'C' that AB = 9 cm; BC = 15 cm; AC = 12 cm.
There are .... lines are perpendicular to the line AB.