It’s a right angle. it follows the circle theorem ‘the angle in a semi-circle is 90 degrees’
Step-by-step explanation:
The answer is option b.
Explanation in the pic.
Need any other maths, feel free!!
X=4, y=28. 7x=2x+20, so subtract 2x from both sides and you’ll get 5x=20. Divide both sides by 5 and you’ll get x=4. Substitute this into the other equations and they will both equal 28.
Answer:
24 mm
Step-by-step explanation:
25^2 - 7^2
625 - 49
= 576
missing side = √576 = 24