Question

In figure, from a cuboidal solid metallic
block of dimensions 20 cm x 15 cm x 10
cm a cylindrical hole of diameter 7 cm is
drilled out. The surface area of remaining
block is
(use n = 22/7)
个
1
10 cm
20 cm-
15 cm​

Answer 1

Answer:

answer

Step-by-step explanation:

15 cm

thanks for the points