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PLS HELP ASAP!!!!!!!!!!!!!!!!!!!!

PLS HELP ASAP!!!!!!!!!!!!!!!!!!!!-example-1
User Harryz
by
6.8k points

2 Answers

7 votes

Answer:

A = 18 cm²

Explanation:

The area (A) of a trapezium is calculated as

A =
(1)/(2) h (b₁ + b₂ )

where h is the perpendicular height and b₁, b₂ the parallel bases )

Here h= 3, b₁ = 3 and b₂ = 9 , then

A =
(1)/(2) × 3 × (3 + 9)

= 1.5 × 12

= 18 cm²

User Fredrik Sundmyhr
by
7.2k points
4 votes

Answer:

18 units^2

Explanation:

There are two trianges each with a base of 3 and a height of 3, making each 4.5 units^2 and together, 9. Add the area of the triangles with the square to get 18.

User Enes Malik Turhan
by
7.8k points