【题目】In the figure below, triangle ABC is an equilateral triangle. BE =2AE, CF=2AFtandBD=CD. If the area of triangle AOF is 3 cm', what is the area of triangle ABC?A EF BD C 相关知识点: 试题来源: 解析 【解析】 解: S_(△ACF)=3 平方厘米,则 S_(△AEC)=3+3+3*2=12 ...
1In the figure below, triangle ABC has a right angle at C. A square is drawn on each side of thetriangle. The area of the square on side AB is 169 cm2. The area of the square on AC is 144 cm2. What isthe area of the square on BC?169cm2B?AC144cm^2 2In the figure belo...
Answer to: Consider the triangle ABC in the following figure. Find BD and CD. By signing up, you'll get thousands of step-by-step solutions to your...
ABC is an equilateral triangle, P is a point in BC such that BP : PC =2 : 1. Prove that : 9AP2=7AB2 View Solution In the following figure, ABCD is a parallelogram. Prove that: BP bisects angle B View Solution In the adjoining figure, AB>AC and the angle bisectors of ∠B...
In the following figure, PQ is parallel to BC andPQ:BC=1:3. If the area of the triangle ABC is144cm2, then what is the area of the triangle APQ? View Solution In the following figure, a rectangle ABCD enclosed three circles. IfBC=14cm, find the area of the shaded portion ...
If the are a of triangle ABC is 72 cm2, find the are a of triangle AF D.A DB EC 相关知识点: 试题来源: 解析 解:连接DE。 S_(△ABF)=S_(△ABC)*1/2*1/3=72*1/2*1/3=12 (平方厘米)。 S_(△EFF)=12*2=24 (平方厘米)。 设三角形ADF的面积为x平方厘米,则三角形EDF的面积为...
结果1 题目 As shown in the figure below. Triangle ABC is a right-angled triangle. P is a point outside the triangle. If ∠APC=90∘, PA=PC, PB=10cm, find the are a of PABC. 相关知识点: 试题来源: 解析 50cm2.P A 10 10 B C(A) B' 反馈 收藏 ...
Answer to: In the following triangle, line AD is perpendicular to line BC. Find the area of the triangle ABC. By signing up, you'll get thousands...
In the following figure, the area of shaded region is A75cm2 B77cm2 C2314cm2 D774cm2 In the following figure, PQ is parallel to BC andPQ:BC=1:3. If the area of the triangle ABC is144cm2, then what is the area of the triangle APQ?
(ΔABC):Ar.(ΔBCD)Fig. View Solution In the adjoining figure, AP⊥BC,AD||BC, then find A(ΔABC):A(ΔBCD). View Solution In the following figure AP⊥BC,AD∣∣BC, then find A(ΔABC):A(ΔBCD). View Solution In the adjoining figure, BC⊥AB,AD⊥AB,BC=4,AD=8, then find ...