Triangle joining the midpoints has one-fourth the area (repeated)
This type of question, asked 4 times: CDS 2 2016, CDS 1 2017, CDS 1 2019, CDS 2 2023. All 4 questions below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 2 2016
56In an equilateral triangle another equilateral triangle is drawn inside joining the mid-points of the sides of given equilateral triangle and the process is continued up to 7 times. What is the ratio of area of fourth triangle to that of seventh triangle ?Tap an option to check your answer.
Question 2
CDS 1 2017
76Let P, Q, R be the mid-points of sides AB, BC, CA respectively of a triangle ABC. If the area of the triangle ABC is 5 square units, then the area of the triangle PQR isTap an option to check your answer.
Question 3
CDS 1 2019
44Suppose , and are the mid-points of sides of a triangle of area 128 cm. If a triangle is drawn by joining the mid-points of sides of triangle , then what is the area of triangle ?Tap an option to check your answer.
Question 4
CDS 2 2023
56ABC is a triangle with sides AB = 41 cm, BC = 28 cm and CA = 15 cm. If D, E and F are the mid-points of AB, BC and CA respectively, then what is the area of the triangle DEF ?Tap an option to check your answer.