Home
Class 11
MATHS
If a = 10 cm , R = 5 cm , then angle A ...

If a = 10 cm , R = 5 cm , then ` angle A = `

A

` pi //4`

B

` pi//6`

C

` pi//3 `

D

` pi//2`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise EXERCISE - II|148 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|132 Videos

  • PROPERTIES OF TRIANGLES

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|12 Videos

  • PLANES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|30 Videos

  • PROPERTIES OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISES|55 Videos

Similar Questions

Explore conceptually related problems

The sides of a right angle triangle PQR are PQ = 7 cm, QR = 25 cm and angle P = 90^@ respectively. Then find, tan Q - tan R.

In the adjacent figure AC = 8 cm, AB = 5 cm and angle BAC = 30^@ then find the area of the triangle ABC.

The sides of a right angle triangle PQR are PQ = 7cm , PR =25 cm and angle Q = 90 ^(@) respectively , Then find tan P -tan R

The sides of a right angle triangle PQR are PQ = 7 cm, QR = 25cm and angleQ = 90^(@) respectively. Then find, tan P − tan R.

In a cone, d = 14 cm, l = 10 cm then CSA = …………. cm^(2) .

Given below are measurements of some parts of two triangles. Examine whether the two triangles are congruent or not, using RHS congruence rule. {:(" "Delta ABC ," " Delta PQR ),(angle A = 90^(@) " ,AC = 5 cm, BC = 9 cm " ,angle Q = 90^(@) ", RP= 8 cm, PQ = 5 cm "):}

In the adjacent figure triangle AHK ~ triangle ABC . If AK = 10cm, BC = 3.5cm and HK = 7cm, find AC.

Construct /_\ ABC in which AB = 5.5 cm , BC = 6.5 cm and CA = 7.5 cm.

In a right triangle ABC, right angled at C in which AB = 13cm, BC = 5cm, determine the value of cos^2 B + sin^2 A .