Question

2
12cm
10 cm
18 cm find the area of this figute​

Answer 1

Answer:

ans = 120 sq cm.

Step-by-step explanation:

I hope it's helpful to you. here I had made a mistake that's 30 insisted of 20 so the answer is 120 sq cm

Answer 2

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Step-by-step explanation:

We draw a line and the perpendicular of 10

Now ,

We have to find the perpendicular

Base = 18 cm - 12 cm

= 6cm

Hypoteneous = 10 cm

Hypoteneous square = Base square + Perpndicular square

10.square = 6 square + perpendicular square

100. = 36 + perpendicular square

100-36. = perpendicular square

64. = perpendicular square

√64 = perpendicular

8 = perpendicular

Therefore the perpendicular = 8 cm

The area of rectangle = l*b

The area of rectangle = 12 * 8

The area of rectangle = 96 cm square

The area of triangle = 1/2 * base * height

The area of triangle = 1/2 * 6 * 8

The area of triangle = 24 cm square

This figure is the trapezium and formed by the mixup of triangle and rectangle

The area of trapezium = area of triangle + area of rectangle

The area of trapezium = 24 + 96

The area of trapezium = 120 cm square

Therefore the area of this figure is 120 cm square