look at the following figure AF/AB=1/4; AE/AC=1/3. if the area of triangle GBD is 270m2 the the area of the triangle GCD is ... m2

1/- Look at the follwing figure AF/Ab=1/4 ; AB/AC=1/3 . If the area of triangle GBD is 270m2 then the area of the triangle GCD is ........ m2 ( có lời giải ) 

Rotate an equilateral triangle inscribed in a circle 40 degrees clockwise and counterclockwise, as shown in the figure below. How many triangles are there in the figure?

1/- 1/- Look at the follwing figure AF/Ab=1/4 ; AB/AC=1/3 . If the area of triangle GBD is 270m2 then the area of the triangle GCD is ........ m2 ( có lời giải ) 

In the figure, ABCD is a rectangle; E is the midpoint of AD; F is the midpoint of CD. What is the ratio between the area of the rectangle ABCD and the area of the triangle AEF?

Look at the following figure. AF/AB = 1/4; AE/AC = 1/3. If the area of triangle GBD is 270m² then the area of the triangle GCD is .......... m².

The lengths in cm of three sides of a triangle are three consecutive odd numbers. Knowing that the perimeter of the triangle is 39cm, find the length of the longest side of the triangle. Show your work.

in the triangle ABC, take the point M on BC such that BM=3MC.find the area of the triangle ACM if the area of the triangle ABC is 500 cm2

Given acute triangle ABC(AB<AC). O is the midpoint of BC, BM and CN are the altitudes of triangle ABC. The bisectors of angle \(\widehat{BAC}\)and \(\widehat{MON}\)meet each other at D. AD intesects BC at E. Prove that quadrilateral BNDE is inscribed in a circle.s

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