please give answer and hho it solve
Answers
Answer:
1000 cm
Step-by-step explanation:
From figure , it is right angled triangle
Sides of right angle triangle 10 cm and 30 cm
As they are 4 congruent triangles.
So shaded region is square,
Let ites side be a
By, Pythagoras theorem
a²=10²+30²
a²=100+900
a²=1000
a= 10√20
Therefore, Area of shaded portion
a²=(10√10)²=1000cm ²
Answer:
The area of the shaded portion is 1000 cm².
Step-by-step explanation:
In the picture, every side of the big quadrilateral has two parts: the height of a triangle and the length of base of the triangle.
Hence, length of one side = the height of a triangle and the length of base of the triangle = (10+30) m = 40 cm.
Then the area of quadrilateral = (40×40) cm² = 1600 cm².
the area of a triangle= (1/2×30×10) cm² = 150 cm².
The four consists total area = (4×150) cm² = 600 cm².
The area of the blue shaded region is (16900-600) cm² = 1000 cm².