Question

(d) isosceles trapezium
gth of each side of
EXERCISE 16B
BJECTIVE QUESTIONS
Fick (/) the correct answer in each of the following:
1. The two diagonals are not necessarily equal in a
(a) rectangle (b) square
(c) rhombus
2. The lengths of the diagonals of a rhombus are 16 cm and 12 cm. The length of each si
the rhombus is
(a) 8 cm
(d) 12 cm
(b) 9 cm
(c) 10 cm
- Two adjacent angles of a parallelogram are (2x + 25)° and (3x - 5)º. The value of x is
(a) 28
(b) 32
(c) 36
(d) 42
The diagonals do not necessarily intersect at right angles in a
(a) parallelogram (b) rectangle (c) rhombus
(d) kite
The length and breadth of a rectangle are in the ratio 4:3. If the diagonal measures 25
then the perimeter of the rectangle is
(a) 56 cm
(b) 60 сm
(c) 70 cm
(d) 80 cm
The bisectors of any two adjacent angles of a parallelogram intersect at
(a) 30°
(b) 45°
(c) 60°
(d) 90°​

Answer 1

Answer:

(a) rhombus

(b) 9

(a)32

rhombus

60

45

Step-by-step explanation:

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Answer 2

Answer:

Ans 5 find x

( hyp)² = ( B )² + ( H)²

(25)²= (4x)²+(3x)²

625=16x²+9x²

625=25x²

625/25= x²

25=x²

√25=x

5=x

l = 4x =4×5=20 cm

B=3 x=3×5=15 cm

p = 2(l+b)

=2(20+15)

=2×35=70cm

Ans 6 90°

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