Question

In ABC, D & E are midpoints of AB & AC, DE || BC, DE = 5•5 cm, find BC​

Answer 1

Answer ❣️---

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE=

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 2

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 AC

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE=

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE= 2

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE= 21

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE= 21

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE= 21 (6.4)

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.D and E are the mid points. Hence,DE= 21 ACDE= 21 (6.4)DE=3.2cm

Answer 2

given ∆ABC in which D and E are the mid pts.of side ab and bc

to find length of BC

construction join DE

solution DE||BC & DE = 1/2BC(by mid point theorem)

DE=5.6

DE=1/2BC

BC=2DE

BC=2(5.6)

BC=11.6cm answer