(iv)
State the no. of lines of symmetry for the following figures: An equilateral triangle, A circle.
Write the formula to calculate amount.
Construct 2 equations starting with x=3.
(vi)
Answers
Answer:
(a) An equilateral triangle
The number of lines of symmetry = 3
(b) An isosceles triangle
The number of lines of symmetry = 1
(c) A scalene triangle
The number of lines of symmetry = 0
(d) A square
The number of lines of symmetry = 4
(e) A rectangle
The number of lines of symmetry = 2
(f) A rhombus
The number of lines of symmetry = 2
(g) A parallelogram
The number of lines of symmetry = 0
(h) A quadrilateral
The number of lines of symmetry = 0
(i) A regular hexagon
The number of lines of symmetry = 6
(j) A circle
The number of lines of symmetry = infinite
Answer:
(iv) equilateral triangle lines of symmetry=3
Circle lines of symmetry=infinite
(v)x=3y-4²
x=3(4y-5z)