Find: Ac

Find: AC

Sum

From right triangle ABC

sin B = `"AB"/"AC"`

sin 30° = `"AB"/"AC"`

`(1)/(2) = (12)/"AC"`

AC = 24 cm

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Solution of Right Triangles

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Chapter 22: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - Exercise 24 [Page 304]

Chapter 22 Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]
Exercise 24 | Q 13.3 | Page 304

Find angle 'A' if :

Find angle 'x' if :

Find AD, if :

Find the length of AD.
Given: ∠ABC = 60^o.
∠DBC = 45^oand BC = 40 cm.

Find the length of AB.

In the given figure, AB and EC are parallel to each other. Sides AD and BC are 2 cm each and are perpendicular to AB.

Given that ∠ AED = 60° and ∠ ACD = 45°. Calculate: AB.

Find: AD

In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
BC is `sqrt(3)` times of AB.

Find PQ, if AB = 150 m, ∠ P = 30° and ∠ Q = 45°.

If tan x° = `(5)/(12)`,

tan y° = `(3)/(4)` and AB = 48 m; find the length of CD.