Trapezoids & Kites - Worksheet 9 - 10th Grade

Hard

Apply properties of trapezoids and kites (Hard)

23 problems · 20-25 minutes · Skills: quadrilaterals, trapezoids, geometry

About This Worksheet

This hard-level worksheet contains 23 problems designed for 10th Grade students practicing trapezoids & kites. Hard worksheets feature challenging problems including multi-step questions, missing values, and real-world applications to push students further.

Trapezoids and kites complete the quadrilateral family and appear in structural engineering and architectural design. Their unique properties — particularly the trapezoid midsegment theorem — reinforce the connections between the various quadrilaterals and deepen spatial reasoning.

  • Apply the properties of isosceles trapezoids, including base angles and diagonals
  • Use the Trapezoid Midsegment Theorem to find lengths
  • Apply properties of kites, including perpendicular diagonals and angle pairs
  • Find the area of a trapezoid using the midsegment and height
  • Distinguish between isosceles and non-isosceles trapezoids using angle and diagonal conditions

How to Solve: Worked Example

Example Problem: Find the area of a kite with diagonals 10 and 20.
Solution Steps:
  1. A kite area uses the diagonals: A = (d₁ × d₂)/2.
  2. (10 × 20)/2.
  3. = 100.
Answer: 100
Tip: The same half-product-of-diagonals formula works for kites, rhombi, and squares.
1
Find the area of a kite with diagonals 10 and 20.
2
Find the area of a kite with diagonals 17 and 13.
3
Find the area of a kite with diagonals 19 and 11.
4
Find the area of a kite with diagonals 20 and 16.
5
Find the area of a kite with diagonals 5 and 14.
6
Find the area of a kite with diagonals 9 and 14.
7
Find the area of a kite with diagonals 16 and 7.
8
Find the area of a kite with diagonals 20 and 19.
9
Find the area of a kite with diagonals 4 and 17.
10
Find the area of a kite with diagonals 8 and 20.
11
Find the area of a kite with diagonals 17 and 13.
12
Find the area of a kite with diagonals 12 and 10.
13
Find the area of a kite with diagonals 13 and 14.
14
Find the area of a kite with diagonals 9 and 17.
15
Find the area of a kite with diagonals 5 and 6.
16
Find the area of a kite with diagonals 8 and 19.
17
Find the area of a kite with diagonals 14 and 10.
18
Find the area of a kite with diagonals 19 and 20.
19
Find the area of a kite with diagonals 8 and 19.
20
Find the area of a kite with diagonals 5 and 4.
21
Find the area of a kite with diagonals 15 and 16.
22
Find the area of a kite with diagonals 9 and 8.
23
Find the area of a kite with diagonals 14 and 15.

Answer Key

1. 1002. 110.53. 104.54. 1605. 356. 637. 568. 1909. 3410. 8011. 110.512. 6013. 9114. 76.515. 1516. 7617. 7018. 19019. 7620. 1021. 12022. 3623. 105

Frequently Asked Questions

How do I download this trapezoids & kites - worksheet 9 worksheet?

Click the "Download PDF / Print" button at the top of the worksheet. You can save it as a PDF or print it directly. The answer key will be on a separate page.

How do I find worksheets at different difficulty levels?

Each subtopic has 10 worksheets: Worksheets 1-3 are Easy, 4-7 are Medium, and 8-10 are Hard. Start with Easy worksheets to build confidence, then progress to harder ones.

What skills does this quadrilaterals & polygons worksheet cover?

This worksheet focuses on quadrilaterals, trapezoids, geometry. It is designed for 10th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

Yes. All worksheets on K12Worksheets are free for classroom use. You can print copies for your entire class. With 10 worksheets per subtopic at three difficulty levels, you have plenty of options for differentiated instruction and individualized practice.

How many problems are on this worksheet?

This worksheet contains 23 problems. It typically takes 20-25 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.