214k views
0 votes
30 POINTS Please help with these 6th grade math question

30 POINTS Please help with these 6th grade math question-example-1
User Raylene
by
8.9k points

2 Answers

4 votes

Answer:

9) 45 cm²

10) 7 cm/ft²

Explanation:

9) ½(sum of // sides) × height

½(6 + 12) × 5

½(18) × 5

9 × 5

45 cm²

10) 28cm/4ft²

7 cm/ft²

User Oleg Eterevsky
by
7.7k points
1 vote

Answer:

= 45 cm^2

7 cm per ft^2

Explanation:

The area of a trapezoid is found by

A = 1/2 (b1+b2)h

where b1 and b2 are the lengths of the bases and h is the height

A = 1/2(6+12)*5

A = 1/2 (18)5

= 45 cm^2

The unit rate is 28 cm/ 4 ft^2

7 cm per ft^2

User Max Conway
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories