Question

Q8. ABC is a triangular park with AB = 42m, BC = 34 m, and AC = 20 m. The Resident welfare society decides to have a play area bounded by fences DE, DF and EF where D, E and F are respectively the mid points of the sides AB, BC and CA. White flowers are planted in triangle BDE and grass in triangles ADF and CEF.
1) What type of quadrilateral is BDFE?
a) Trapezium b) Rectangle c) Parallelogram d) Rhombus
2) If area of ΔBDE is 84 sq cm, what is the Δ DEF?
a) 42sq cm b) 84 sq cm c) 21 sq cm d) 168 sq cm
3) What is the ratio of play area and Grassy area?
a) 1:1 b) 1:2 c) 1:3 d) 4: 1
4) Calculate the cost of fencing the boundary of ΔDEF if 1 m of wire cost rs 12.50.
a) rs125.75 b) rs60 c)rs 600 d) rs1200

Answer 1

Answer:

1)d) Rhombus

2)b)84sq cm

3)b)1:2

4)d)rs1200