E M B I B E

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 2

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Earn 100

In a quadrilateral $A B C D, ∠ A = 72 °$ and $∠ C$ is the supplementary angle of $∠ A$ . The other two angles are $2 x - 10$ and $x + 4$ . Find the value of $x$ and the measure of all the angles.

Important Questions on Geometry

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 3

A B C D

is a rectangle whose diagonals

A C

and

B D

intersect at

O

. If

∠ O A B = 46 °

, If

∠ O B C = k °

, then find the value of

k

.

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 4

The lengths of the diagonals of a rhombus are

12 cm

and

16 cm

. Find the side of the rhombus.

HARD

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 5

Show that the bisectors of angles of a parallelogram form a rectangle.

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 6

If a triangle and a parallelogram lie on the same base and between the same parallels, then prove that the area of the triangle is equal to half of the area of parallelogram.

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 7

Iron rods $a, b, c, d, e$ , and $f$ are making a design in a bridge as shown in the figure. If $a ∥ b, c ∥ d, e ∥ f$ , find the marked angles between $b$ and $c$ .

Question Image

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 7

Iron rods $a, b, c, d, e$ , and $f$ are making a design in a bridge as shown in the figure. If $a ∥ b, c ∥ d, e ∥ f$ , find the marked angles between $d$ and $e$ .

Question Image

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 7

Iron rods $a, b, c, d, e$ , and $f$ are making a design in a bridge as shown in the figure. If $a ∥ b, c ∥ d, e ∥ f$ , find the marked angles between $d$ and $f$ .

Question Image

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Mathematics Standard 9>Chapter 4 - Geometry>Exercise>Q 7

Iron rods $a, b, c, d, e$ , and $f$ are making a design in a bridge as shown in the figure. If $a ∥ b, c ∥ d, e ∥ f$ , find the marked angles between $c$ and $f$ .