Question

In the diagram, AR=4 cm, QA = 3 cm, DQ = 7 cm and
PD = 4 cm. Find
(a) the length of AB;
(b) the length of BC;
(c) the ratio of the areas of triangle ARB and ABRC;
(d) the ratio of the areas of triangle BRC and triangle
PRD.

please solve kar do,matlab method ke saath. Will mark brainlinest.


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Answer 1

Step-by-step explanation:

In ΔQDE,

(DR)²=(DQ)²+(QR)²

(DR)²=(7)²+(7)²

(DR)²=49+49

(DR)²=98

DR=√98

DR=7√2

In ΔPQR,

(PR)²=(PQ)²+(QR)²

(PR)²=(11)²+(7)²

(PR)²=121+49

(PR)²=170

PR=√170