Question

Q13. Find the area of the triangle if its area is half of a rectangle whose length and breath are 12 cm and 10 cm respectively?​

Answer 1

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सूर्य के प्रकाश से हरे पौधों द्वारा कार्बन डाइ-ऑक्‍साइड और जल को भोजन का रूप देने की प्रक्रिया; प्रकाश-संश्‍लेषण; फ़ोटोसिंथीसिस

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Answer 2

Answer:

The height of the triangle is 20 cm.

Step-by-step explanation:

Length of rectangle = 20 cm

Breadth of rectangle = 15 cm

Area of rectangle = Length \times BreadthLength×Breadth

= 20 \times 1520×15

= 300 cm^2300cm

2

Area of triangle = \frac{1}{2} \times Base \times Height

2

1

×Base×Height

Since we are given that the base of the given triangle is 30 cm

So, Area of triangle = \frac{1}{2} \times 30 \times Height

2

1

×30×Height

We are also given that The area of triangle is equal to the area of rectangle

So, 300=\frac{1}{2} \times 30 \times Height300=

2

1

×30×Height

600= 30 \times Height600=30×Height

\frac{600}{30}= Height

30

600

=Height

20= Height20=Height

Hence the height of the triangle is 20 cm