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ABC is a triangle in which AB = AC = 4 c...

ABC is a triangle in which AB = AC = 4 cm and `angleA=90^(@)`. Calculate:
the length of perpendicular from A to BC.

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The correct Answer is:
2.83 cm
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ICSE-AREA AND PERIMETER OF PLANE FIGURES-EXERCISE 20(A)
  1. Find the area of a triangle whose sides are 18 cm, 24 cm and 30 cm. ...

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  2. The length of the sides of a triangle are in the ratio 3 : 4 : 5. Find...

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  3. ABC is a triangle in which AB = AC = 4 cm and angleA=90^(@). Calculate...

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  4. ABC is a triangle in which AB = AC = 4 cm and angleA=90^(@). Calculate...

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  5. The area of an equilateral triangle is 36sqrt(3) sq. cm. Find its per...

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  6. Find the area of an isosceles triangle with perimeter 36 cm and base 1...

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  7. The base of an isosceles triangle is 24 cm and its area is 192 sq. cm....

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  8. The given figure shows a right angled triangle ABC and an equilateral ...

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  9. Find the area and the perimeter of quadrilateral ABCD, given below, i...

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  10. The base of a triangular field is three times its height. If the cost ...

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  11. The sides of a triangle field are in the ratio 5 : 3 : 4 and its peri...

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  12. The sides of a triangle field are in the ratio 5 : 3 : 4 and its peri...

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  13. The sides of a triangle field are in the ratio 5 : 3 : 4 and its peri...

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  14. Each of equal sides of an isosceles triangle is 4 cm greater than its ...

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  15. Calculate the area and the height of an equilateral triangle whose per...

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  16. In DeltaABC, angle A=90^(@), side AB = x cm, AC = (x+5) cm and area =...

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  17. If the difference between the sides of a right angled triangle is 3 cm...

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  18. AD is altitude of an isosceles triangle ABC in which AB = AC = 30 cm a...

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