Question

the volume
GIUS
12. Find
13. The diameter of a metallic ball is 4.2 cm. If the density of its metal is 89
per cm', find the mass of the ball.
gm​

Answer 1

Step-by-step explanation:

E, and Fare the mid-points of the sides AB, BC, and AC respectively. (a) Prove that AADF = ADBE = AEFD= AFEC (b) Find the area of ADEF. A B E C