Question

E
S
4. Write'true' or 'false':
(a) A triangle has four sides.
(b) A quadrilateral has three angles.
(c) All the angles of a square are less than 90°.
(d) A triangle can have two right angles.
(e) The opposite sides of a rectangle are equal.
(f) A triangle can't have two obtuse angles.
(g) A triangle with all the angle equal, is an equilateral triangle.
(h) An isosceles triangle has two equal angles also.
(i) An obtuse-angle triangle has two acute angles.​

Answer 1

Answer:

1. false

2.false

3.false

4.false

5.true

6.false

7.true

8.true

9.true