2 Answers

Weera · Answer 1 · 2022-09-20T05:21:58+0000

Answer:

22 mm²

Explanation:

Area of pentagon

= (upper base + lower base) × height ÷ 2

The area of the pentagon

= [(3+8)×4] ÷2

= 44÷2

= 22 mm²

Myko · Answer 2 · 2022-09-22T01:44:45+0000

Answer:

22 square millimeters

Explanation:

Given,

Parallel sides of the trapezium = 3mm, 8mm

Height of the trapezium = 4mm

Therefore,

Area of the trapezium

$= (1)/(2) * (sum \: of \: parallel \: sides) * height$

$= (1)/(2) * (8 + 3)mm \: * 4mm$

= (1)/(2) * 11mm * 4mm

= 11mm × 2mm

$= 22 {mm}^(2)$

Hence,

Area of the trapezium is 22 square millimeters (Ans)