Find the value of missing angles in quadrilaterals
Find the value of missing angles in quadrilaterals
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Lesson details
Key learning points
- In this lesson, we will represent the angles in a quadrilateral pictorially and algebraically before learning how to calculate missing angles.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What is the value of angle a?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171573%2Fa7bvpgi56yeldnoauyjo.png&w=640&q=75)
124°
236°
Q2.
What is the value of angle a?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171582%2Fnqblibnpfpinkbffj735.png&w=384&q=75)
160°
200°
Q3.
What is the value of angle y?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171598%2Fkwujxo3ejwop9ab0ebf2.png&w=1080&q=75)
145°
85°
5 Questions
Q1.
Estimate the size of the angle.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207412%2Fhhgyxuyzls99nsi7s3wx.jpg&w=640&q=75)
123°
21°
Q2.
Find the size of angle a.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207410%2Fzdqesspt2bwihdaqgcod.png&w=640&q=75)
315°
45°
Q3.
Find the size of angle c.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207421%2Fupik4z8ehr3okeuscsai.png&w=640&q=75)
298°
72°
Q4.
Find the size of angle c.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207423%2Fp4rwqo8dkb7hwdcbhfmm.png&w=640&q=75)
115°
90°
Q5.
Find the size of angle w.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207426%2Fzbbffjrvzxd0zktca3uq.png&w=640&q=75)
326°
44°