Question

In a triangle the height is double the base and the area is 625cm square. Then the length of the base is

Answer 1

Answer:

The length of the base is 25 cm.

Step-by-step explanation:

Let the length of the base be x

Hence, Height = 2x

By condition,

1/2 × x × 2x = 625

=> x × x = 625

=> x² = 625 => x = 25 cm (ans).

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Answer 2

Concept:

Triangle is a three side closed 2d figure

Area=1/2xbxh

where, b=base of the triangle

           h= height of a triangle

Given:

h=2b

Area=625cm²

Find:

base of the triangle=?

Solution:

h=2b

Area=1/2xbxh

⇒625=1/2xbx2b

⇒625=b²

⇒b=25cm

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