Create a landscape 16:9 maths teaching video for children. Use a plain white background, a thin blac

Question: User: Create a landscape 16:9 maths teaching video for children. Use a plain white background, a thin black border, clear black text, and clean blue diagrams. Use a calm Indian-English teacher voice. Show each step as the teacher explains it. Keep the question at the top: “3. State whether the following quadrilaterals are similar or not:” Draw both figures accurately beneath the question: • PQRS is a slanted rhombus. Label P bottom left, Q bottom right, R top right, and S top left. Each side is 1.5 cm. Do not add right-angle marks. • ABCD is a square. Label A bottom left, B bottom right, C top right, and D top left. Each side is 3 cm. Show a right-angle mark at each corner. Keep the labels, lengths, and shapes fixed throughout the video. Do not turn the rhombus into a square. STEP 1 — SIDE LENGTHS Show these four ratios one at a time: PQ/AB = 1.5/3 = 1/2 QR/BC = 1.5/3 = 1/2 RS/CD = 1.5/3 = 1/2 SP/DA = 1.5/3 = 1/2 Teacher narration: “First, compare the corresponding sides. P Q corresponds to A B, Q R to B C, R S to C D, and S P to D A. Each ratio is one point five divided by three, which equals one-half. So the corresponding sides are proportional.” STEP 2 — ANGLES Highlight the square’s right-angle marks, then point to the slanted rhombus. Show on screen: ∠A = ∠B = ∠C = ∠D = 90° ∠P ≠ ∠A Teacher narration: “Next, compare the corresponding angles. Every angle in square A B C D is ninety degrees. But angle P in the slanted rhombus is not ninety degrees. So the corresponding angles are not equal.” FINAL ANSWER — SHOW ON SCREEN: PQRS is not similar to ABCD. PQRS ≁ ABCD Teacher narration: “For quadrilaterals to be similar, corresponding sides must be proportional AND corresponding angles must be equal. Here, the sides are proportional, but the angles are not equal. Therefore, quadrilateral P Q R S is not similar to quadrilateral A B C D.” Pronunciation and visual rules: • On screen, always use the mathematical angle symbol ∠. Never spell out “angle” inside an equation. • In the voiceover, pronounce ∠P as “angle P,” ∠A as “angle A,” and ≠ as “is not equal to.” • Read 1.5 as “one point five,” 1/2 as “one-half,” and 90° as “ninety degrees.” • Do not read punctuation, slashes, or mathematical code aloud. • Keep every equation sharp and unchanged. Avoid flickering text, moving labels, extra sides, and incorrect angle marks.