Question

I'm confused about this, can someone answer?

Answer 1

Step-by-step explanation:

• Question 1)

Perimeter = Sum of all sides

$\longrightarrow$ 11 + 5 + 10 + 2

$\longrightarrow$ 16 + 12

$\longrightarrow$ 28 cm

• Question 2)

Area of Rectangule = Length × Breadth

$\longrightarrow$ 2 × 5

$\longrightarrow$ 10 in²

• Question 3)

Volume of cube = (Side)³

$\longrightarrow$ (1)³

$\longrightarrow$ 1 ft³

• Question 4)

Perimeter = Sum of sides

$\longrightarrow$ 4 + 5 + 5

$\longrightarrow$ 14 cm

• Question 5)

Area of triangle = 1/2 × Height × Base

$\longrightarrow$ 1/2 × 5 × 8

$\longrightarrow$ 5 × 4

$\longrightarrow$ 20 mm²