Question

Q(11 to 15 ) Fill in the blanks.
11 All equilateral triangles are _______________
(similar/congruent)

12 The total surface area of a hemisphere of radius r is _________________

13 If x+1,3x and 4x+2 are in AP, then the value of x is. ____________

14 Product of zeroes of a quadratic polynomial p(x) = ax +bx+ c is ____________​

Answer 1

Answer:

11 similiar

12 3phy rsquare

13 1and 2

14mince b by a and c by a