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Find the area of the trapezium, whose parallel sides are 3cm and 7cm and height between them is 4 cm.Required to answer. Single choice.

40 sq cm

20 sq cm

25 sq cm

80 sq cm

## Answers

Answered by

4

### ☆ __Solution__ ☆

__Given__ :-

- Sides are 3 cm and 7 cm.
- Height between them is 4 cm.

__To Find__ :-

- The area of trapezium.

__Step-by-Step-Explaination__ :-

As we know that :-

Area of trapezium = 1/2 × sum of parallel sides × height

Putting the respective value,

Area of trapezium = 1/2 × ( 3 + 7 ) × 4

Area of trapezium = 1/2 × 10 × 4

Area of trapezium = 5 × 4

Area of trapezium = 20

__Therefore____,__

The area of trapezium is 20 cm².

__Hence__,

Option b) 20 cm² is correct option.

Anonymous:
Fabulous :)

Answered by

45

### Given :-

- Sides = 3 cm & 7 cm.
- Height between them = 4 cm.

### To Find :-

- Area of trapezium.

### As we know that :-

Area of trapezium = × sum of parallel sides × height

**Putting the respective value, **

Area of trapezium = 1/2 × ( 3 + 7 ) × 4

= 1/2 × 10 × 4

= 5 × 4

= 20

### Therefore,

Area of the trapezium is 20 cm².

### Hence,

Option b) 20 cm² is correct answer.

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