Question

the last one pls fast

Answer 1

Answer:

The area of rectangle - area of triangle = The area of shaded part

Answer 2

Answer:

• Area of shaded part is 432 cm².

Step-by-step explanation:

All sides of given quadrilateral are equal.

Or, AB = BC = EC = AE = 24 cm

And,

ED is 12 cm.

All sides of Square are equal. Thus, Given quadrilateral is Square.

We know,

All angles of Square are always right angle.

So, ∠C = 90°

Then,

∆BCD is a right angle triangle. [Beacuse ∠C is 90°]

Perpendicular/height = BC = 24 cm.

Base = DC

⇒DC = EC - ED

⇒DC = 24 - 12

⇒DC = 12

Measure of DC is 12 cm.

Area of square = Side × Side

$\longrightarrow$ Area = 24 × 24

$\longrightarrow$ Area = 576

Area of Square ABCE is 576 cm².

Area of triangle = ½ × base × height

$\longrightarrow$ Area = ½ × 12 × 24

$\longrightarrow$ Area = 6 × 24

$\longrightarrow$ Area = 144

Area of ∆BCD is 144 cm².

Now,

Area of shaded part = Area of ABCE - Area of ∆BCD

$\longrightarrow$ 576 - 144

$\longrightarrow$ 432

Therefore,

Area of shaded part is 432 cm².