Question

an object is kept at a distance of 10cm from a convex mirror whose focal length is 15cm . find the position, nature and magnification​

Answer 1

Answer:

Correct Question :

The angles of a quadrilateral are in the ratio 2:3:4:6 . Find the measures of each of the four angles .

Solution :

Given

• Angles of quadrilateral are in ratio of 2:3:4:6

To Find

• All the angles of quadrilateral

Let us find all the angles

• Let the unknown entity be " x "

Now , the angles become 2x , 3x , 4x and 6x

$\star \: \underline {\sf{Angle\:sum\: property\:of\:quadrilateral\:=\:{360}^{\degree}}}$

Now , According To The Question :

→ 2x + 3x + 4x + 6x = 360°

→ 15x = 360°

→ x = 360°/15

→ x = 24°

$\:\:\:\: \bigstar \large \underline {\sf{Value\:of\:x\:is\:{24}^{\degree}}}$

• Measure of each angle :

→ Angle 1 = 2x = 2(24) = 48°

→ Angle 2 = 3x = 3(24) = 72°

→ Angle 3 = 4x = 4(24) = 96°

→ Angle 4 = 6x = 6(24) = 144°

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