Question

2. Mathematical Words Puzzle
HINTS :
(Number in brackets beside the clue represents the number of letters the desired word has)
ACROSS :
1. A quadrilateral in which one pair of opposite sides are parallel. (9)
6. Measure representing region occupied by a closed figure. (4)
8. Congruence generally shown by right-angled triangles, in short. (3)
9. A geometrical figure formed by two rays having a common end-point. (5)
10. A group of numbers including integers and fractions. (8)
11. Greek mathematician famous for giving a relation between the hypotenuse and the
remaining sides of a right-angled triangle. (10)
DOWN :
1. A three-sided polygon. (8)
2. An angle having measure less than 90°. (5)
3. The smallest whole number. (4)
4. A triangle having two equal sides.
7. 100,000 sq. m. (4)
9. A type of congruence, in short.(3) ​

Answer 1

Answer:

1) Parallelogram

11)

$base { }^{2} + height {}^{2} = hyotenuse {}^{2}$

11) 1) triangle

11) 2) acute angle

11) 3) 0

11) 4) isosceles triangle

Step-by-step explanation:

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