Question

give me answer of question 7 and 8

Answer 1

7. h^2 = b^2 + p^2
h^2 = 9+16
h^2 = 25
h = √25
h = 5cm

Answer 2

Step 1. draw a line segment AB=4cm
Step2. taking centre as A construct 90° and name it AX
Step 3. taking centre as A draw arc of 3 cm which cut AX at C
step 4. join BC
Step5. ABC is a required triangle



AB^2 +AC^2=BC^2
4^2+3^2=BC^2
16+9=BC^2
25=BC^2
√25=BC
5=BC

Hypotenuse BC=5 cm

solution of Q 8

Step 1. draw a line segment BC =4cm
Step 2. taking centre as B construct angle of measure 30° and extend the arm.
Step 3. taking centre as C construct 90° angle and extend the arm to intersect the previous arm at A .
Step 4. ABC is a required triangle.

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